/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 18:11:09,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 18:11:09,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 18:11:09,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 18:11:09,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 18:11:09,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 18:11:09,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 18:11:09,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 18:11:09,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 18:11:09,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 18:11:09,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 18:11:09,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 18:11:09,273 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 18:11:09,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 18:11:09,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 18:11:09,276 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 18:11:09,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 18:11:09,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 18:11:09,277 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 18:11:09,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 18:11:09,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 18:11:09,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 18:11:09,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 18:11:09,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 18:11:09,278 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 18:11:09,279 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 18:11:09,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-22 18:11:09,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 18:11:09,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 18:11:09,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 18:11:09,568 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 18:11:09,569 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 18:11:09,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl [2025-01-22 18:11:09,570 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl' [2025-01-22 18:11:09,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 18:11:09,601 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 18:11:09,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 18:11:09,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 18:11:09,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 18:11:09,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,628 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 18:11:09,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 18:11:09,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 18:11:09,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 18:11:09,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 18:11:09,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 18:11:09,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 18:11:09,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 18:11:09,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 18:11:09,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/1) ... [2025-01-22 18:11:09,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 18:11:09,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:09,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 18:11:09,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 18:11:09,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 18:11:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 18:11:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 18:11:09,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 18:11:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 18:11:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 18:11:09,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 18:11:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 18:11:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 18:11:09,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 18:11:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 18:11:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 18:11:09,741 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 18:11:09,792 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 18:11:09,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 18:11:09,977 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 18:11:09,977 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 18:11:10,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 18:11:10,067 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-22 18:11:10,068 INFO L201 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 06:11:10 BoogieIcfgContainer [2025-01-22 18:11:10,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 18:11:10,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 18:11:10,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 18:11:10,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 18:11:10,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:11:09" (1/2) ... [2025-01-22 18:11:10,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747845be and model type name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 06:11:10, skipping insertion in model container [2025-01-22 18:11:10,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 06:11:10" (2/2) ... [2025-01-22 18:11:10,078 INFO L128 eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.bpl [2025-01-22 18:11:10,092 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 18:11:10,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG name-comparator-subst.wvr.bpl that has 4 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 18:11:10,094 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 18:11:10,140 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 18:11:10,191 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 18:11:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 18:11:10,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:10,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 18:11:10,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 18:11:10,258 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 18:11:10,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 18:11:10,276 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;@6692ef5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 18:11:10,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 18:11:10,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:10,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:10,543 INFO L85 PathProgramCache]: Analyzing trace with hash -944682649, now seen corresponding path program 1 times [2025-01-22 18:11:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:10,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064413988] [2025-01-22 18:11:10,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:10,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-22 18:11:10,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 18:11:10,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:10,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:11,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064413988] [2025-01-22 18:11:11,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064413988] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:11,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:11:11,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-22 18:11:11,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241153485] [2025-01-22 18:11:11,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:11,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 18:11:11,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:11,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 18:11:11,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-22 18:11:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:11,429 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:11,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:11,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:11,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 18:11:11,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:11,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:11,736 INFO L85 PathProgramCache]: Analyzing trace with hash 749825708, now seen corresponding path program 1 times [2025-01-22 18:11:11,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:11,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238783810] [2025-01-22 18:11:11,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:11,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 18:11:11,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 18:11:11,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:11,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:11,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:11,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238783810] [2025-01-22 18:11:11,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238783810] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:11,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:11:11,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-22 18:11:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786717224] [2025-01-22 18:11:11,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:11,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-22 18:11:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:11,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-22 18:11:11,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-22 18:11:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:11,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:11,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) 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) [2025-01-22 18:11:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:12,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 18:11:12,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:12,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:12,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2105265322, now seen corresponding path program 1 times [2025-01-22 18:11:12,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:12,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535246468] [2025-01-22 18:11:12,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:12,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-22 18:11:12,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 18:11:12,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:12,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:12,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535246468] [2025-01-22 18:11:12,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535246468] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280481705] [2025-01-22 18:11:12,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:12,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:12,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 18:11:12,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 18:11:12,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-22 18:11:12,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 18:11:12,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:12,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:12,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-22 18:11:12,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:13,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 149 [2025-01-22 18:11:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:13,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:11:15,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 18:11:15,892 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 284 treesize of output 256 [2025-01-22 18:11:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:16,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280481705] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:11:16,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:11:16,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2025-01-22 18:11:16,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788866387] [2025-01-22 18:11:16,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:11:16,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 18:11:16,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:16,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 18:11:16,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2025-01-22 18:11:16,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:16,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:16,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.0) internal successors, (50), 25 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:16,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:16,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:16,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:18,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 18:11:18,418 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 [2025-01-22 18:11:18,418 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:18,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash -357397715, now seen corresponding path program 2 times [2025-01-22 18:11:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:18,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160566917] [2025-01-22 18:11:18,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 18:11:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:18,425 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-22 18:11:18,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 18:11:18,443 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:11:18,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:19,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:19,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160566917] [2025-01-22 18:11:19,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160566917] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:19,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235640790] [2025-01-22 18:11:19,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 18:11:19,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:19,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:19,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 18:11:19,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 18:11:19,189 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-22 18:11:19,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 18:11:19,203 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:11:19,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:19,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-22 18:11:19,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:19,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 132 [2025-01-22 18:11:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:19,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:11:20,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 18:11:20,768 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 291 treesize of output 261 [2025-01-22 18:11:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:21,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235640790] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:11:21,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:11:21,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2025-01-22 18:11:21,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898621695] [2025-01-22 18:11:21,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:11:21,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-22 18:11:21,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:21,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-22 18:11:21,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2025-01-22 18:11:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:21,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:21,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:21,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:21,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:21,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:21,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 18:11:24,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 18:11:24,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:24,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:24,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:24,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1082362813, now seen corresponding path program 3 times [2025-01-22 18:11:24,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:24,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303207264] [2025-01-22 18:11:24,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:11:24,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:24,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 4 equivalence classes. [2025-01-22 18:11:24,294 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 18:11:24,294 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 18:11:24,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:24,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:24,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303207264] [2025-01-22 18:11:24,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303207264] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:24,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983040341] [2025-01-22 18:11:24,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:11:24,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:24,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 18:11:24,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 18:11:24,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 4 equivalence classes. [2025-01-22 18:11:24,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 18:11:24,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 18:11:24,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:24,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-22 18:11:24,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:24,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 18:11:24,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983040341] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:24,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 18:11:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2025-01-22 18:11:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605199941] [2025-01-22 18:11:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:24,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-22 18:11:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:24,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-22 18:11:24,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-22 18:11:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:24,430 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:24,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 18:11:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-22 18:11:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:24,744 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 [2025-01-22 18:11:24,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:24,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:24,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash -583497262, now seen corresponding path program 4 times [2025-01-22 18:11:24,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:24,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010915607] [2025-01-22 18:11:24,938 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 18:11:24,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:24,944 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 24 statements into 2 equivalence classes. [2025-01-22 18:11:24,951 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 18:11:24,951 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 18:11:24,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:25,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:25,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010915607] [2025-01-22 18:11:25,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010915607] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:25,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769622455] [2025-01-22 18:11:25,001 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 18:11:25,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:25,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:25,003 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) [2025-01-22 18:11:25,006 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 [2025-01-22 18:11:25,039 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 24 statements into 2 equivalence classes. [2025-01-22 18:11:25,056 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 18:11:25,056 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 18:11:25,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:25,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-22 18:11:25,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:25,084 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 18:11:25,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769622455] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:25,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 18:11:25,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2025-01-22 18:11:25,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069688640] [2025-01-22 18:11:25,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:25,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-22 18:11:25,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:25,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-22 18:11:25,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-22 18:11:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:25,085 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:25,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 18:11:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-22 18:11:26,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:26,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:26,019 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 [2025-01-22 18:11:26,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:26,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:26,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1588768790, now seen corresponding path program 5 times [2025-01-22 18:11:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:26,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746290640] [2025-01-22 18:11:26,216 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 18:11:26,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:26,223 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-22 18:11:26,233 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 18:11:26,233 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:11:26,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:26,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:26,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746290640] [2025-01-22 18:11:26,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746290640] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:26,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906607345] [2025-01-22 18:11:26,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 18:11:26,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:26,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:26,427 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) [2025-01-22 18:11:26,431 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 [2025-01-22 18:11:26,466 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-01-22 18:11:26,479 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 18:11:26,479 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:11:26,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:26,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-22 18:11:26,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:26,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2025-01-22 18:11:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:26,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:11:26,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 18:11:26,763 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2025-01-22 18:11:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:26,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906607345] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:11:26,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:11:26,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2025-01-22 18:11:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733087978] [2025-01-22 18:11:26,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:11:26,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-22 18:11:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:26,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-22 18:11:26,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2025-01-22 18:11:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:26,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:26,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.0) internal successors, (44), 22 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:27,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-22 18:11:27,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:27,574 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:27,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:27,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1248691259, now seen corresponding path program 1 times [2025-01-22 18:11:27,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:27,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750540284] [2025-01-22 18:11:27,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:27,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-22 18:11:27,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-22 18:11:27,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:27,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:27,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:27,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750540284] [2025-01-22 18:11:27,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750540284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:27,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:11:27,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-22 18:11:27,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347457169] [2025-01-22 18:11:27,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:27,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-22 18:11:27,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:27,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-22 18:11:27,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-22 18:11:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:27,673 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:27,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) 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) [2025-01-22 18:11:27,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:27,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:27,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:27,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:27,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-22 18:11:27,869 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:27,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1724931232, now seen corresponding path program 1 times [2025-01-22 18:11:27,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:27,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137745449] [2025-01-22 18:11:27,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:11:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:27,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-22 18:11:27,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 18:11:27,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:11:27,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:28,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:28,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137745449] [2025-01-22 18:11:28,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137745449] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:28,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:11:28,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-22 18:11:28,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334446824] [2025-01-22 18:11:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:28,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-22 18:11:28,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:28,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-22 18:11:28,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-01-22 18:11:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:28,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:28,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 18:11:28,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-22 18:11:28,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:28,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:28,200 INFO L85 PathProgramCache]: Analyzing trace with hash -966165248, now seen corresponding path program 2 times [2025-01-22 18:11:28,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:28,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807175827] [2025-01-22 18:11:28,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 18:11:28,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:28,204 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 1 equivalence classes. [2025-01-22 18:11:28,209 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 18:11:28,209 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-22 18:11:28,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:11:28,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:28,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807175827] [2025-01-22 18:11:28,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807175827] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:11:28,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:11:28,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-22 18:11:28,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800513247] [2025-01-22 18:11:28,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:11:28,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-22 18:11:28,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:28,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-22 18:11:28,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-22 18:11:28,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:28,483 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:28,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 18:11:28,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 18:11:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 18:11:28,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-22 18:11:28,752 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 18:11:28,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:11:28,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1254988538, now seen corresponding path program 3 times [2025-01-22 18:11:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:11:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870593531] [2025-01-22 18:11:28,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:11:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:11:28,758 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 22 statements into 2 equivalence classes. [2025-01-22 18:11:28,766 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 18:11:28,766 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 18:11:28,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:28,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:11:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870593531] [2025-01-22 18:11:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870593531] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:11:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580765282] [2025-01-22 18:11:28,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:11:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:11:28,898 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) [2025-01-22 18:11:28,900 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 [2025-01-22 18:11:28,932 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 22 statements into 2 equivalence classes. [2025-01-22 18:11:28,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-22 18:11:28,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 18:11:28,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:11:28,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-22 18:11:28,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:11:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:29,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:11:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:11:29,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580765282] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:11:29,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:11:29,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-01-22 18:11:29,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319264975] [2025-01-22 18:11:29,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:11:29,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-22 18:11:29,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:11:29,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-22 18:11:29,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-22 18:11:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:29,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:11:29,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 18:11:29,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:11:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 18:11:29,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 18:11:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 18:11:29,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 18:11:29,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 18:11:29,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 18:11:29,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 18:11:29,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-22 18:11:29,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:11:29,755 INFO L422 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1] [2025-01-22 18:11:29,759 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 18:11:29,759 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 18:11:29,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-22 18:11:29,772 INFO L201 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 06:11:29 BasicIcfg [2025-01-22 18:11:29,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 18:11:29,773 INFO L158 Benchmark]: Toolchain (without parser) took 20171.80ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 78.8MB in the beginning and 169.0MB in the end (delta: -90.2MB). Peak memory consumption was 127.7MB. Max. memory is 16.0GB. [2025-01-22 18:11:29,773 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:11:29,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.53ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:11:29,774 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 804.5kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:11:29,774 INFO L158 Benchmark]: RCFGBuilder took 409.38ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 88.2MB in the end (delta: -11.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.0GB. [2025-01-22 18:11:29,774 INFO L158 Benchmark]: TraceAbstraction took 19702.43ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 87.6MB in the beginning and 169.0MB in the end (delta: -81.3MB). Peak memory consumption was 131.3MB. Max. memory is 16.0GB. [2025-01-22 18:11:29,775 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 0.23ms. Allocated memory is still 117.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 27.53ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 804.5kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 409.38ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 88.2MB in the end (delta: -11.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.0GB. * TraceAbstraction took 19702.43ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 87.6MB in the beginning and 169.0MB in the end (delta: -81.3MB). Peak memory consumption was 131.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2955, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 715, dependent conditional: 715, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 0, independent unconditional: 2240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 0, independent unconditional: 2240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2240, independent: 1891, independent conditional: 0, independent unconditional: 1891, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1891, Maximal queried relation: 0, Independence queries for same thread: 715, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 74, Number of trivial persistent sets: 47, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2955, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 715, dependent conditional: 715, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 1891, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 0, independent unconditional: 2240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2240, independent: 2240, independent conditional: 0, independent unconditional: 2240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 197, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2240, independent: 1891, independent conditional: 0, independent unconditional: 1891, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1891, Maximal queried relation: 0, Independence queries for same thread: 715 - PositiveResult [Line: 114]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 7.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 5436 SizeOfPredicates, 60 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 46/81 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-22 18:11:29,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...