/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 20:16:07,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 20:16:07,144 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 20:16:07,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 20:16:07,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 20:16:07,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 20:16:07,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 20:16:07,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 20:16:07,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 20:16:07,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 20:16:07,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 20:16:07,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 20:16:07,176 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 20:16:07,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 20:16:07,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 20:16:07,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 20:16:07,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 20:16:07,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 20:16:07,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 20:16:07,178 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 20:16:07,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 20:16:07,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 20:16:07,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 20:16:07,179 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 20:16:07,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-16 20:16:07,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 20:16:07,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 20:16:07,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 20:16:07,469 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 20:16:07,470 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 20:16:07,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2024-12-16 20:16:07,471 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2024-12-16 20:16:07,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 20:16:07,496 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 20:16:07,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 20:16:07,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 20:16:07,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 20:16:07,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,517 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 20:16:07,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 20:16:07,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 20:16:07,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 20:16:07,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 20:16:07,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 20:16:07,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 20:16:07,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 20:16:07,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 20:16:07,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/1) ... [2024-12-16 20:16:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 20:16:07,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:07,573 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 20:16:07,576 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 20:16:07,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 20:16:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 20:16:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 20:16:07,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 20:16:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 20:16:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 20:16:07,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 20:16:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 20:16:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 20:16:07,596 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 20:16:07,631 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 20:16:07,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 20:16:07,717 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 20:16:07,718 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 20:16:07,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 20:16:07,772 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-16 20:16:07,772 INFO L201 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:16:07 BoogieIcfgContainer [2024-12-16 20:16:07,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 20:16:07,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 20:16:07,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 20:16:07,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 20:16:07,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 08:16:07" (1/2) ... [2024-12-16 20:16:07,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52276ba2 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:16:07, skipping insertion in model container [2024-12-16 20:16:07,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:16:07" (2/2) ... [2024-12-16 20:16:07,782 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2024-12-16 20:16:07,795 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 20:16:07,797 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.bpl that has 3 procedures, 14 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-16 20:16:07,797 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 20:16:07,837 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-16 20:16:07,894 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 20:16:07,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 20:16:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:07,899 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 20:16:07,901 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 20:16:07,937 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 20:16:07,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 20:16:07,962 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;@56739351, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 20:16:07,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-16 20:16:08,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:08,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash -491451125, now seen corresponding path program 1 times [2024-12-16 20:16:08,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:08,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893571383] [2024-12-16 20:16:08,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:16:08,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:08,374 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 20:16:08,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:08,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893571383] [2024-12-16 20:16:08,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893571383] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 20:16:08,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 20:16:08,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-16 20:16:08,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549336365] [2024-12-16 20:16:08,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 20:16:08,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-16 20:16:08,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:08,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-16 20:16:08,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-16 20:16:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:08,441 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:08,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 20:16:08,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:08,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 20:16:08,531 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:08,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:08,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1823691498, now seen corresponding path program 1 times [2024-12-16 20:16:08,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:08,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98070768] [2024-12-16 20:16:08,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:16:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:08,960 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 20:16:08,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:08,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98070768] [2024-12-16 20:16:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98070768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 20:16:08,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 20:16:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-16 20:16:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178160531] [2024-12-16 20:16:08,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 20:16:08,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-16 20:16:08,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:08,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-16 20:16:08,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-16 20:16:08,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:08,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:08,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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 20:16:08,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:08,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:09,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-16 20:16:09,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:09,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:09,045 INFO L85 PathProgramCache]: Analyzing trace with hash 720170159, now seen corresponding path program 2 times [2024-12-16 20:16:09,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:09,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544324475] [2024-12-16 20:16:09,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:16:09,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:09,078 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:16:09,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:09,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544324475] [2024-12-16 20:16:09,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544324475] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793790354] [2024-12-16 20:16:09,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:16:09,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:09,462 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 20:16:09,465 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 20:16:09,503 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:16:09,503 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:09,505 WARN L254 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-16 20:16:09,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:09,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 20:16:09,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2024-12-16 20:16:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:09,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:10,740 INFO L349 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2024-12-16 20:16:10,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 11 treesize of output 50 [2024-12-16 20:16:10,869 INFO L349 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2024-12-16 20:16:10,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 13 treesize of output 86 [2024-12-16 20:16:11,031 INFO L349 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2024-12-16 20:16:11,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 9 treesize of output 27 [2024-12-16 20:16:11,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 20:16:11,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 7 treesize of output 16 [2024-12-16 20:16:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:11,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793790354] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:11,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:11,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-16 20:16:11,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310312850] [2024-12-16 20:16:11,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:11,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-16 20:16:11,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:11,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-16 20:16:11,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-12-16 20:16:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:11,092 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:11,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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 20:16:11,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:11,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:11,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:11,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-16 20:16:11,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:11,859 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:11,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1243662351, now seen corresponding path program 3 times [2024-12-16 20:16:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694679696] [2024-12-16 20:16:11,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:16:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:11,876 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-16 20:16:11,876 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:11,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694679696] [2024-12-16 20:16:11,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694679696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 20:16:11,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 20:16:11,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-16 20:16:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527052387] [2024-12-16 20:16:11,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 20:16:11,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-16 20:16:11,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:11,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-16 20:16:11,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-16 20:16:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:11,958 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:11,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 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 20:16:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:11,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:12,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-16 20:16:12,081 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:12,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:12,082 INFO L85 PathProgramCache]: Analyzing trace with hash -856302935, now seen corresponding path program 1 times [2024-12-16 20:16:12,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:12,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353219695] [2024-12-16 20:16:12,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:16:12,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:12,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353219695] [2024-12-16 20:16:12,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353219695] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:12,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522779355] [2024-12-16 20:16:12,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 20:16:12,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:12,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:12,141 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 20:16:12,142 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 20:16:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:12,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-16 20:16:12,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522779355] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:12,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:12,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-12-16 20:16:12,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997078911] [2024-12-16 20:16:12,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:12,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-16 20:16:12,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:12,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-16 20:16:12,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-16 20:16:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:12,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:12,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 20:16:12,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:12,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:12,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:12,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:12,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:12,325 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 20:16:12,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:12,523 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:12,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:12,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2010068275, now seen corresponding path program 2 times [2024-12-16 20:16:12,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:12,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493306456] [2024-12-16 20:16:12,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:16:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:12,533 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:16:12,533 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:12,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493306456] [2024-12-16 20:16:12,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493306456] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:12,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589479295] [2024-12-16 20:16:12,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 20:16:12,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:12,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:12,595 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 20:16:12,596 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 20:16:12,625 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 20:16:12,625 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:12,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-16 20:16:12,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:12,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589479295] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:12,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:12,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-12-16 20:16:12,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110755747] [2024-12-16 20:16:12,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:12,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-16 20:16:12,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:12,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-16 20:16:12,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-16 20:16:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:12,699 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:12,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 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 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:12,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:12,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:12,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-16 20:16:12,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:12,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:12,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:12,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2132701484, now seen corresponding path program 3 times [2024-12-16 20:16:12,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:12,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793180938] [2024-12-16 20:16:12,989 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:16:12,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:12,997 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 20:16:12,998 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:13,195 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 20:16:13,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:13,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793180938] [2024-12-16 20:16:13,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793180938] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:13,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385453850] [2024-12-16 20:16:13,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 20:16:13,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:13,199 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:16:13,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-16 20:16:13,228 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 20:16:13,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:13,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-16 20:16:13,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:14,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 20:16:14,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 215 [2024-12-16 20:16:15,072 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 20:16:15,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:15,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 20:16:15,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 47 treesize of output 330 [2024-12-16 20:16:17,952 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 20:16:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385453850] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:17,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:17,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-12-16 20:16:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315505068] [2024-12-16 20:16:17,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:17,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-16 20:16:17,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:17,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-16 20:16:17,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-12-16 20:16:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:17,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:17,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 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 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:16:18,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-16 20:16:18,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:18,574 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:18,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:18,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1709545133, now seen corresponding path program 4 times [2024-12-16 20:16:18,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:18,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547290598] [2024-12-16 20:16:18,574 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:16:18,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:18,580 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:16:18,581 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:18,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:18,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547290598] [2024-12-16 20:16:18,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547290598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:18,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153591098] [2024-12-16 20:16:18,787 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 20:16:18,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:18,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:18,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:16:18,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-16 20:16:18,817 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 20:16:18,817 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:18,818 WARN L254 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-16 20:16:18,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:19,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 20:16:19,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 230 [2024-12-16 20:16:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:21,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:21,723 INFO L349 Elim1Store]: treesize reduction 25, result has 94.3 percent of original size [2024-12-16 20:16:21,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 25 treesize of output 455 [2024-12-16 20:16:25,549 INFO L349 Elim1Store]: treesize reduction 25, result has 95.3 percent of original size [2024-12-16 20:16:25,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 27 treesize of output 547 [2024-12-16 20:16:31,073 INFO L349 Elim1Store]: treesize reduction 20, result has 93.1 percent of original size [2024-12-16 20:16:31,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 21 treesize of output 300 [2024-12-16 20:16:32,253 INFO L349 Elim1Store]: treesize reduction 25, result has 93.1 percent of original size [2024-12-16 20:16:32,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 23 treesize of output 371 [2024-12-16 20:16:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:34,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153591098] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:34,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:34,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-12-16 20:16:34,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798476016] [2024-12-16 20:16:34,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:34,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-16 20:16:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:34,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-16 20:16:34,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-12-16 20:16:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:34,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:34,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 21 states have internal predecessors, (32), 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 20:16:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:34,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:34,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:16:34,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:16:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-16 20:16:35,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-16 20:16:35,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:35,560 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:35,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:35,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1971566228, now seen corresponding path program 5 times [2024-12-16 20:16:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:35,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062712658] [2024-12-16 20:16:35,562 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:16:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:35,569 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-16 20:16:35,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:35,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:35,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062712658] [2024-12-16 20:16:35,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062712658] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:35,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365653075] [2024-12-16 20:16:35,676 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 20:16:35,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:35,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:35,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:16:35,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-16 20:16:35,713 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-16 20:16:35,713 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:35,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-16 20:16:35,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:35,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:35,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365653075] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:35,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:35,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2024-12-16 20:16:35,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219266454] [2024-12-16 20:16:35,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:35,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-16 20:16:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:35,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-16 20:16:35,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-16 20:16:35,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:35,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:35,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-16 20:16:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 20:16:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-16 20:16:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:16:36,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-16 20:16:36,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:36,205 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:36,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -604801458, now seen corresponding path program 6 times [2024-12-16 20:16:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:36,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588160753] [2024-12-16 20:16:36,205 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:16:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:36,212 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-16 20:16:36,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:36,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588160753] [2024-12-16 20:16:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588160753] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932070473] [2024-12-16 20:16:36,281 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 20:16:36,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:36,284 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:16:36,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-16 20:16:36,314 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-16 20:16:36,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 20:16:36,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-16 20:16:36,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:16:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:36,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 20:16:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932070473] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 20:16:36,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 20:16:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-12-16 20:16:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701964246] [2024-12-16 20:16:36,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 20:16:36,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-16 20:16:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 20:16:36,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-16 20:16:36,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-16 20:16:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:36,409 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 20:16:36,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0625) internal successors, (33), 15 states have internal predecessors, (33), 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 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:16:36,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:16:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 20:16:36,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-16 20:16:36,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:36,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 20:16:36,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 20:16:36,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1560856021, now seen corresponding path program 7 times [2024-12-16 20:16:36,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 20:16:36,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528525894] [2024-12-16 20:16:36,747 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:16:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 20:16:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 20:16:37,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 20:16:37,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528525894] [2024-12-16 20:16:37,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528525894] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 20:16:37,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141626738] [2024-12-16 20:16:37,013 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 20:16:37,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:16:37,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 20:16:37,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 20:16:37,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-16 20:16:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 20:16:37,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-16 20:16:37,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 20:19:19,659 WARN L286 SmtUtils]: Spent 38.86s on a formula simplification. DAG size of input: 3043 DAG size of output: 2907 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-16 20:19:19,660 INFO L349 Elim1Store]: treesize reduction 272, result has 95.4 percent of original size [2024-12-16 20:19:19,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 0 disjoint index pairs (out of 741 index pairs), introduced 73 new quantified variables, introduced 741 case distinctions, treesize of input 202 treesize of output 5826 [2024-12-16 20:22:06,398 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 20:22:06,398 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 20:22:06,399 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-16 20:22:06,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-16 20:22:06,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 20:22:06,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 20:22:06,606 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.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.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.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) 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) ... 60 more [2024-12-16 20:22:06,611 INFO L158 Benchmark]: Toolchain (without parser) took 359115.50ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 100.0MB in the beginning and 1.0GB in the end (delta: -917.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2024-12-16 20:22:06,611 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 20:22:06,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.63ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 98.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 20:22:06,612 INFO L158 Benchmark]: Boogie Preprocessor took 18.00ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 97.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 20:22:06,612 INFO L158 Benchmark]: RCFGBuilder took 233.77ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 85.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 20:22:06,612 INFO L158 Benchmark]: TraceAbstraction took 358835.43ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 84.4MB in the beginning and 1.0GB in the end (delta: -932.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2024-12-16 20:22:06,613 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 167.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 22.63ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 98.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 18.00ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 97.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 233.77ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 85.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 358835.43ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 84.4MB in the beginning and 1.0GB in the end (delta: -932.8MB). Peak memory consumption was 1.4GB. 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...