/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/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 18:42:51,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 18:42:51,943 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 18:42:51,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 18:42:51,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 18:42:51,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 18:42:51,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 18:42:51,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 18:42:51,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 18:42:51,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 18:42:51,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 18:42:51,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 18:42:51,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 18:42:51,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 18:42:51,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 18:42:51,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 18:42:51,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 18:42:51,991 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 18:42:51,991 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 18:42:51,991 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 18:42:52,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 18:42:52,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 18:42:52,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 18:42:52,234 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 18:42:52,234 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 18:42:52,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2025-01-22 18:42:52,236 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2025-01-22 18:42:52,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 18:42:52,260 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 18:42:52,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 18:42:52,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 18:42:52,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 18:42:52,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,281 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 18:42:52,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 18:42:52,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 18:42:52,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 18:42:52,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 18:42:52,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 18:42:52,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 18:42:52,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 18:42:52,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 18:42:52,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/1) ... [2025-01-22 18:42:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 18:42:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:52,327 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 18:42:52,332 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 18:42:52,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 18:42:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 18:42:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 18:42:52,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 18:42:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 18:42:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 18:42:52,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 18:42:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 18:42:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 18:42:52,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 18:42:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 18:42:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 18:42:52,357 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 18:42:52,399 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 18:42:52,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 18:42:52,496 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 18:42:52,496 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 18:42:52,531 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 18:42:52,531 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 18:42:52,532 INFO L201 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 06:42:52 BoogieIcfgContainer [2025-01-22 18:42:52,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 18:42:52,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 18:42:52,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 18:42:52,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 18:42:52,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 06:42:52" (1/2) ... [2025-01-22 18:42:52,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2c3d6a and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 06:42:52, skipping insertion in model container [2025-01-22 18:42:52,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 06:42:52" (2/2) ... [2025-01-22 18:42:52,541 INFO L128 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2025-01-22 18:42:52,553 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 18:42:52,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod-cons-eq.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 18:42:52,555 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 18:42:52,606 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 18:42:52,634 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 18:42:52,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 18:42:52,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:52,637 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 18:42:52,638 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 18:42:52,685 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 18:42:52,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 18:42:52,702 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;@5b80dc36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 18:42:52,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 18:42:53,017 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 18:42:53,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash -2086412745, now seen corresponding path program 1 times [2025-01-22 18:42:53,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:53,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210351195] [2025-01-22 18:42:53,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:42:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:53,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-22 18:42:53,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-22 18:42:53,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:42:53,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:53,143 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 18:42:53,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:53,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210351195] [2025-01-22 18:42:53,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210351195] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:42:53,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:42:53,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 18:42:53,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924521798] [2025-01-22 18:42:53,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:42:53,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 18:42:53,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:53,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 18:42:53,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 18:42:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:53,179 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:53,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 18:42:53,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:53,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 18:42:53,228 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 18:42:53,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash -2018291461, now seen corresponding path program 1 times [2025-01-22 18:42:53,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:53,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583611270] [2025-01-22 18:42:53,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:42:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:53,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-22 18:42:53,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-22 18:42:53,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:42:53,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:42:53,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583611270] [2025-01-22 18:42:53,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583611270] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:42:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961958307] [2025-01-22 18:42:53,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 18:42:53,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:53,441 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 18:42:53,443 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 18:42:53,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-22 18:42:53,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-22 18:42:53,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:42:53,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:53,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 18:42:53,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:42:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 18:42:53,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 18:42:53,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961958307] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:42:53,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 18:42:53,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-22 18:42:53,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989248291] [2025-01-22 18:42:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:42:53,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 18:42:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:53,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 18:42:53,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-22 18:42:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:53,529 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:53,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:42:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:53,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 18:42:53,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:53,957 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 18:42:53,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:53,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1040095275, now seen corresponding path program 2 times [2025-01-22 18:42:53,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:53,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232349942] [2025-01-22 18:42:53,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 18:42:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:53,965 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 18:42:53,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 18:42:53,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:42:53,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 18:42:54,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232349942] [2025-01-22 18:42:54,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232349942] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:42:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779948691] [2025-01-22 18:42:54,168 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 18:42:54,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:54,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:54,173 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 18:42:54,175 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 18:42:54,202 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-22 18:42:54,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-22 18:42:54,218 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 18:42:54,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:54,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-22 18:42:54,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:42:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 18:42:54,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 18:42:54,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779948691] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:42:54,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 18:42:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2025-01-22 18:42:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060337078] [2025-01-22 18:42:54,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:42:54,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 18:42:54,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:54,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 18:42:54,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-22 18:42:54,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:54,225 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:54,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 18:42:54,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:54,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:54,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:54,274 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 18:42:54,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:54,471 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 18:42:54,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:54,472 INFO L85 PathProgramCache]: Analyzing trace with hash -511313339, now seen corresponding path program 3 times [2025-01-22 18:42:54,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600976028] [2025-01-22 18:42:54,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:42:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:54,478 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 2 equivalence classes. [2025-01-22 18:42:54,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-01-22 18:42:54,487 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 18:42:54,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:42:54,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:54,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600976028] [2025-01-22 18:42:54,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600976028] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:42:54,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256604222] [2025-01-22 18:42:54,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 18:42:54,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:54,615 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 18:42:54,638 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 18:42:54,652 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 2 equivalence classes. [2025-01-22 18:42:54,667 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-01-22 18:42:54,667 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 18:42:54,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:54,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 18:42:54,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:42:54,735 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 35 treesize of output 27 [2025-01-22 18:42:54,737 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 27 treesize of output 19 [2025-01-22 18:42:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:42:54,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:42:54,801 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-22 18:42:54,802 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 12 treesize of output 11 [2025-01-22 18:42:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:42:54,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256604222] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:42:54,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:42:54,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2025-01-22 18:42:54,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774447042] [2025-01-22 18:42:54,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:42:54,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-22 18:42:54,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:54,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-22 18:42:54,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-22 18:42:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:54,813 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:54,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 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 18:42:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:42:55,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 18:42:55,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:55,202 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 18:42:55,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash -546429439, now seen corresponding path program 4 times [2025-01-22 18:42:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:55,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32249636] [2025-01-22 18:42:55,202 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 18:42:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:55,207 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-01-22 18:42:55,211 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-22 18:42:55,211 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 18:42:55,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 18:42:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:55,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32249636] [2025-01-22 18:42:55,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32249636] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:42:55,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744614492] [2025-01-22 18:42:55,347 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 18:42:55,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:55,349 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 18:42:55,350 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 18:42:55,375 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-01-22 18:42:55,391 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-22 18:42:55,392 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 18:42:55,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:55,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-22 18:42:55,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:42:55,582 INFO L349 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2025-01-22 18:42:55,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 95 [2025-01-22 18:42:55,612 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2025-01-22 18:42:55,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 41 [2025-01-22 18:42:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:42:55,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:42:55,833 INFO L349 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2025-01-22 18:42:55,833 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 12 treesize of output 11 [2025-01-22 18:42:55,897 INFO L349 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2025-01-22 18:42:55,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 11 treesize of output 50 [2025-01-22 18:42:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 18:42:55,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744614492] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:42:55,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:42:55,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-22 18:42:55,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159331525] [2025-01-22 18:42:55,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:42:55,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-22 18:42:55,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:55,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-22 18:42:55,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-22 18:42:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:55,950 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:55,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 18:42:55,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:55,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:55,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:55,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:42:55,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:56,202 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,287 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,303 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,391 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,403 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,415 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,424 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,436 WARN L331 ript$VariableManager]: TermVariable v_state21_20 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-01-22 18:42:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:42:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:42:56,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 18:42:56,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:56,764 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 18:42:56,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:56,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1906881485, now seen corresponding path program 5 times [2025-01-22 18:42:56,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:56,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581305718] [2025-01-22 18:42:56,765 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 18:42:56,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:56,769 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 45 statements into 4 equivalence classes. [2025-01-22 18:42:56,778 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 45 of 45 statements. [2025-01-22 18:42:56,778 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-22 18:42:56,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-22 18:42:56,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:56,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581305718] [2025-01-22 18:42:56,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581305718] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 18:42:56,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 18:42:56,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 18:42:56,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784161669] [2025-01-22 18:42:56,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 18:42:56,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 18:42:56,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:42:56,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 18:42:56,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-22 18:42:56,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:56,845 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:42:56,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:42:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:42:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:42:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:42:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:42:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:42:56,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-22 18:42:56,964 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 18:42:56,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:42:56,964 INFO L85 PathProgramCache]: Analyzing trace with hash -495013149, now seen corresponding path program 6 times [2025-01-22 18:42:56,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:42:56,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912146730] [2025-01-22 18:42:56,964 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 18:42:56,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:42:56,969 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 47 statements into 4 equivalence classes. [2025-01-22 18:42:56,977 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 47 of 47 statements. [2025-01-22 18:42:56,977 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-22 18:42:56,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 18:42:57,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:42:57,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912146730] [2025-01-22 18:42:57,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912146730] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:42:57,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467645104] [2025-01-22 18:42:57,144 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 18:42:57,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:42:57,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:42:57,145 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 18:42:57,147 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 18:42:57,173 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 47 statements into 4 equivalence classes. [2025-01-22 18:42:57,193 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 47 of 47 statements. [2025-01-22 18:42:57,193 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-01-22 18:42:57,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:42:57,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-22 18:42:57,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:42:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:42:58,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 18:42:58,382 INFO L349 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2025-01-22 18:42:58,382 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 12 treesize of output 11 [2025-01-22 18:42:58,786 INFO L349 Elim1Store]: treesize reduction 25, result has 93.1 percent of original size [2025-01-22 18:42:58,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 23 treesize of output 371 [2025-01-22 18:43:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 18:43:00,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467645104] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 18:43:00,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 18:43:00,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 24 [2025-01-22 18:43:00,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898407276] [2025-01-22 18:43:00,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 18:43:00,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 18:43:00,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 18:43:00,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 18:43:00,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2025-01-22 18:43:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:43:00,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 18:43:00,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 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 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:43:00,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-22 18:43:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 18:43:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 18:43:06,258 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 18:43:06,453 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 18:43:06,453 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 18:43:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 18:43:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1385086119, now seen corresponding path program 7 times [2025-01-22 18:43:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 18:43:06,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348467803] [2025-01-22 18:43:06,454 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 18:43:06,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 18:43:06,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-22 18:43:06,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-22 18:43:06,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:43:06,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:43:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-22 18:43:07,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 18:43:07,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348467803] [2025-01-22 18:43:07,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348467803] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 18:43:07,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927702255] [2025-01-22 18:43:07,660 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 18:43:07,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:43:07,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 18:43:07,662 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 18:43:07,663 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 18:43:07,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-22 18:43:07,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-22 18:43:07,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 18:43:07,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 18:43:07,719 WARN L254 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 125 conjuncts are in the unsatisfiable core [2025-01-22 18:43:07,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 18:47:27,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 18:47:27,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 221 treesize of output 295 Received shutdown request... [2025-01-22 18:57:28,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 18:57:28,945 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 18:57:28,948 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 18:57:28,981 WARN L228 SmtUtils]: Removed 6823 from assertion stack [2025-01-22 18:57:28,982 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 18:57:28,988 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 18:57:29,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 18:57:29,183 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 61 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 36993 for 557405ms.. [2025-01-22 18:57:29,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 18:57:29,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 18:57:29,185 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 18:57:29,188 INFO L422 BasicCegarLoop]: Path program histogram: [7, 1] [2025-01-22 18:57:29,191 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 18:57:29,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 18:57:29,199 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 18:57:29,199 INFO L201 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 06:57:29 BasicIcfg [2025-01-22 18:57:29,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 18:57:29,200 INFO L158 Benchmark]: Toolchain (without parser) took 876940.65ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 79.9MB in the beginning and 284.5MB in the end (delta: -204.6MB). Peak memory consumption was 323.9MB. Max. memory is 16.0GB. [2025-01-22 18:57:29,200 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:57:29,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.14ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:57:29,201 INFO L158 Benchmark]: Boogie Preprocessor took 15.83ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.9MB in the end (delta: 669.0kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 18:57:29,201 INFO L158 Benchmark]: RCFGBuilder took 232.64ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 67.3MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-01-22 18:57:29,201 INFO L158 Benchmark]: TraceAbstraction took 876664.50ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 66.7MB in the beginning and 284.5MB in the end (delta: -217.8MB). Peak memory consumption was 307.1MB. Max. memory is 16.0GB. [2025-01-22 18:57:29,202 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 0.18ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 22.14ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.83ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.9MB in the end (delta: 669.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 232.64ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 67.3MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 876664.50ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 66.7MB in the beginning and 284.5MB in the end (delta: -217.8MB). Peak memory consumption was 307.1MB. 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: 3444, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 550, dependent conditional: 545, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2979, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 85, dependent conditional: 80, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2979, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 85, dependent conditional: 80, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 433, dependent conditional: 428, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 134, independent unconditional: 2760, dependent: 433, dependent conditional: 199, dependent unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 134, independent unconditional: 2760, dependent: 433, dependent conditional: 199, dependent unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 300, independent: 250, independent conditional: 11, independent unconditional: 239, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 300, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 16, independent conditional: 11, independent unconditional: 5, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 16, independent conditional: 11, independent unconditional: 5, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 905, independent: 238, independent conditional: 154, independent unconditional: 84, dependent: 666, dependent conditional: 465, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3327, independent: 2644, independent conditional: 123, independent unconditional: 2521, dependent: 383, dependent conditional: 156, dependent unconditional: 227, unknown: 300, unknown conditional: 54, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 300, Positive cache size: 250, Positive conditional cache size: 11, Positive unconditional cache size: 239, Negative cache size: 50, Negative conditional cache size: 43, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2733, Maximal queried relation: 5, Independence queries for same thread: 465, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 47, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 261, independent: 256, independent conditional: 0, independent unconditional: 256, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3444, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 550, dependent conditional: 545, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2979, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 85, dependent conditional: 80, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2979, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 85, dependent conditional: 80, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 2638, independent unconditional: 256, dependent: 433, dependent conditional: 428, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 134, independent unconditional: 2760, dependent: 433, dependent conditional: 199, dependent unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3327, independent: 2894, independent conditional: 134, independent unconditional: 2760, dependent: 433, dependent conditional: 199, dependent unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 300, independent: 250, independent conditional: 11, independent unconditional: 239, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 300, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 16, independent conditional: 11, independent unconditional: 5, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 16, independent conditional: 11, independent unconditional: 5, dependent: 50, dependent conditional: 43, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 905, independent: 238, independent conditional: 154, independent unconditional: 84, dependent: 666, dependent conditional: 465, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3327, independent: 2644, independent conditional: 123, independent unconditional: 2521, dependent: 383, dependent conditional: 156, dependent unconditional: 227, unknown: 300, unknown conditional: 54, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 300, Positive cache size: 250, Positive conditional cache size: 11, Positive unconditional cache size: 239, Negative cache size: 50, Negative conditional cache size: 43, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2733, Maximal queried relation: 5, Independence queries for same thread: 465 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 61 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 36993 for 557405ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 61 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 36993 for 557405ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 61 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 36993 for 557405ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 61 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 36993 for 557405ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 876.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 7.1s, 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: 75, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 427 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 531 ConstructedInterpolants, 32 QuantifiedInterpolants, 2366 SizeOfPredicates, 21 NumberOfNonLiveVariables, 612 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 93/226 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown