/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 01:13:20,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 01:13:20,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 01:13:20,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 01:13:20,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 01:13:20,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 01:13:20,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 01:13:20,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 01:13:20,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 01:13:20,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 01:13:20,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 01:13:20,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 01:13:20,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 01:13:20,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 01:13:20,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 01:13:20,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 01:13:20,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 01:13:20,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 01:13:20,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 01:13:20,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 01:13:20,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 01:13:20,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 01:13:20,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 01:13:20,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 01:13:20,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 01:13:20,997 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-17 01:13:20,999 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-17 01:13:21,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2024-12-17 01:13:21,000 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2024-12-17 01:13:21,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 01:13:21,035 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-17 01:13:21,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 01:13:21,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 01:13:21,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 01:13:21,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,059 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-17 01:13:21,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 01:13:21,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 01:13:21,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 01:13:21,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 01:13:21,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 01:13:21,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 01:13:21,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 01:13:21,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 01:13:21,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/1) ... [2024-12-17 01:13:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 01:13:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:13:21,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 01:13:21,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 01:13:21,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-17 01:13:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 01:13:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 01:13:21,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-17 01:13:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 01:13:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 01:13:21,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-17 01:13:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 01:13:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 01:13:21,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-17 01:13:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 01:13:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 01:13:21,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-12-17 01:13:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 01:13:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 01:13:21,152 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 01:13:21,202 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 01:13:21,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 01:13:21,338 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 01:13:21,339 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 01:13:21,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 01:13:21,380 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 01:13:21,380 INFO L201 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:13:21 BoogieIcfgContainer [2024-12-17 01:13:21,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 01:13:21,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 01:13:21,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 01:13:21,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 01:13:21,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 01:13:21" (1/2) ... [2024-12-17 01:13:21,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1d73b9 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:13:21, skipping insertion in model container [2024-12-17 01:13:21,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:13:21" (2/2) ... [2024-12-17 01:13:21,395 INFO L128 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2024-12-17 01:13:21,410 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 01:13:21,413 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG buffer-mult-alt.wvr.bpl that has 5 procedures, 27 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 01:13:21,413 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 01:13:21,487 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 01:13:21,542 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 01:13:21,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 01:13:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:13:21,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 01:13:21,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 01:13:21,598 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 01:13:21,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 01:13:21,634 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;@41a9759, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 01:13:21,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 01:13:22,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:22,484 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:22,484 INFO L139 ounterexampleChecker]: Examining path program with hash -407974454, occurence #1 [2024-12-17 01:13:22,484 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:22,485 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:22,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash -621738230, now seen corresponding path program 1 times [2024-12-17 01:13:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:22,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636920381] [2024-12-17 01:13:22,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 01:13:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:13:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:22,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:22,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636920381] [2024-12-17 01:13:22,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636920381] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:22,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 01:13:22,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781360111] [2024-12-17 01:13:22,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:22,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 01:13:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:22,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 01:13:22,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 01:13:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:22,857 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:22,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:22,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 01:13:22,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:22,950 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:22,951 INFO L139 ounterexampleChecker]: Examining path program with hash -1319583876, occurence #1 [2024-12-17 01:13:22,951 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:22,951 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:22,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2029267054, now seen corresponding path program 2 times [2024-12-17 01:13:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178813803] [2024-12-17 01:13:22,951 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 01:13:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:22,986 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 01:13:22,986 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:23,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:23,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178813803] [2024-12-17 01:13:23,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178813803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:23,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:23,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 01:13:23,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038125935] [2024-12-17 01:13:23,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:23,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 01:13:23,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:23,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 01:13:23,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 01:13:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:23,060 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:23,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 01:13:23,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:23,133 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:23,133 INFO L139 ounterexampleChecker]: Examining path program with hash 1956153767, occurence #1 [2024-12-17 01:13:23,133 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:23,133 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:23,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:23,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1351531632, now seen corresponding path program 3 times [2024-12-17 01:13:23,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:23,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518999374] [2024-12-17 01:13:23,134 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 01:13:23,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:23,152 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-17 01:13:23,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 01:13:23,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:23,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518999374] [2024-12-17 01:13:23,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518999374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:23,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:23,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 01:13:23,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538951073] [2024-12-17 01:13:23,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:23,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 01:13:23,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:23,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 01:13:23,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 01:13:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:23,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:23,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:23,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 01:13:23,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:23,253 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:23,253 INFO L139 ounterexampleChecker]: Examining path program with hash 389380643, occurence #1 [2024-12-17 01:13:23,253 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:23,253 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:23,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:23,253 INFO L85 PathProgramCache]: Analyzing trace with hash 139282709, now seen corresponding path program 4 times [2024-12-17 01:13:23,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:23,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287637849] [2024-12-17 01:13:23,254 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 01:13:23,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:23,290 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 01:13:23,290 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287637849] [2024-12-17 01:13:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287637849] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:13:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550586670] [2024-12-17 01:13:23,415 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 01:13:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:13:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:13:23,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 01:13:23,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 01:13:23,482 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 01:13:23,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:23,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 01:13:23,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:13:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:23,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:13:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:23,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550586670] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 01:13:23,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 01:13:23,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-12-17 01:13:23,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553283580] [2024-12-17 01:13:23,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 01:13:23,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 01:13:23,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:23,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 01:13:23,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-12-17 01:13:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:23,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:23,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:24,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 01:13:24,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 01:13:24,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:13:24,495 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:24,495 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:24,496 INFO L139 ounterexampleChecker]: Examining path program with hash -960716218, occurence #1 [2024-12-17 01:13:24,496 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:24,496 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:24,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:24,497 INFO L85 PathProgramCache]: Analyzing trace with hash -622474065, now seen corresponding path program 5 times [2024-12-17 01:13:24,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:24,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308623565] [2024-12-17 01:13:24,497 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 01:13:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:24,584 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 01:13:24,585 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 01:13:24,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308623565] [2024-12-17 01:13:24,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308623565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:24,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:24,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 01:13:24,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499359942] [2024-12-17 01:13:24,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:24,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 01:13:24,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:24,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 01:13:24,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-17 01:13:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:24,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:24,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 01:13:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:25,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 01:13:25,038 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:25,038 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:25,039 INFO L139 ounterexampleChecker]: Examining path program with hash 1620401119, occurence #1 [2024-12-17 01:13:25,039 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:25,039 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:25,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:25,039 INFO L85 PathProgramCache]: Analyzing trace with hash -764429580, now seen corresponding path program 6 times [2024-12-17 01:13:25,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:25,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569061730] [2024-12-17 01:13:25,039 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 01:13:25,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:25,071 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 01:13:25,071 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-17 01:13:25,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:25,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569061730] [2024-12-17 01:13:25,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569061730] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:25,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:25,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 01:13:25,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120988720] [2024-12-17 01:13:25,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:25,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 01:13:25,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:25,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 01:13:25,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 01:13:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:25,145 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:25,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:25,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 01:13:25,621 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:25,622 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:25,622 INFO L139 ounterexampleChecker]: Examining path program with hash -29349129, occurence #1 [2024-12-17 01:13:25,622 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:25,622 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:25,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:25,622 INFO L85 PathProgramCache]: Analyzing trace with hash 110721934, now seen corresponding path program 7 times [2024-12-17 01:13:25,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:25,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472749245] [2024-12-17 01:13:25,623 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 01:13:25,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:13:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-17 01:13:26,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:26,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472749245] [2024-12-17 01:13:26,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472749245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:13:26,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489666865] [2024-12-17 01:13:26,083 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 01:13:26,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:13:26,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:13:26,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 01:13:26,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 01:13:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 01:13:26,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 01:13:26,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:13:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:27,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:13:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:13:27,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489666865] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 01:13:27,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 01:13:27,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 20, 20] total 47 [2024-12-17 01:13:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698664340] [2024-12-17 01:13:27,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 01:13:27,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-17 01:13:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:27,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-17 01:13:27,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=1843, Unknown=0, NotChecked=0, Total=2256 [2024-12-17 01:13:27,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:27,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:27,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.1875) internal successors, (249), 47 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:27,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-17 01:13:31,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 01:13:31,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:13:31,553 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:31,553 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:31,553 INFO L139 ounterexampleChecker]: Examining path program with hash 333869620, occurence #1 [2024-12-17 01:13:31,553 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:31,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:31,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:31,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1113285154, now seen corresponding path program 8 times [2024-12-17 01:13:31,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:31,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042468625] [2024-12-17 01:13:31,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 01:13:31,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:31,592 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 01:13:31,592 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-17 01:13:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:32,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042468625] [2024-12-17 01:13:32,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042468625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:32,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:32,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 01:13:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196832878] [2024-12-17 01:13:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:32,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 01:13:32,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:32,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 01:13:32,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-17 01:13:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:32,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:32,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:32,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:32,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-12-17 01:13:32,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-17 01:13:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 01:13:32,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-17 01:13:32,739 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:32,739 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:32,739 INFO L139 ounterexampleChecker]: Examining path program with hash -970442731, occurence #1 [2024-12-17 01:13:32,739 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:32,739 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:32,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash -889628739, now seen corresponding path program 9 times [2024-12-17 01:13:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:32,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795780960] [2024-12-17 01:13:32,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 01:13:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:32,768 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 01:13:32,768 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-12-17 01:13:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795780960] [2024-12-17 01:13:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795780960] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 01:13:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 01:13:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-17 01:13:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389966098] [2024-12-17 01:13:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 01:13:32,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 01:13:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 01:13:32,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 01:13:32,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-12-17 01:13:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:32,875 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 01:13:32,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 01:13:32,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-17 01:13:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 01:13:33,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 01:13:33,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-17 01:13:33,676 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 01:13:33,676 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 01:13:33,676 INFO L139 ounterexampleChecker]: Examining path program with hash -1885177962, occurence #1 [2024-12-17 01:13:33,676 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 01:13:33,676 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 01:13:33,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 01:13:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash -66748129, now seen corresponding path program 10 times [2024-12-17 01:13:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 01:13:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492231129] [2024-12-17 01:13:33,677 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 01:13:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 01:13:33,827 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 01:13:33,828 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 181 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-12-17 01:13:42,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 01:13:42,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492231129] [2024-12-17 01:13:42,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492231129] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 01:13:42,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246936561] [2024-12-17 01:13:42,085 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 01:13:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:13:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 01:13:42,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 01:13:42,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 01:13:42,181 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 01:13:42,181 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 01:13:42,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 177 conjuncts are in the unsatisfiable core [2024-12-17 01:13:42,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 01:13:56,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:13:56,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 238 treesize of output 146 [2024-12-17 01:13:59,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:13:59,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 1631 treesize of output 443 [2024-12-17 01:14:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 321 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 01:14:00,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 01:14:20,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:14:20,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 252 treesize of output 1576 [2024-12-17 01:23:09,686 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 985 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-17 01:23:09,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 01:23:09,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 213 treesize of output 2937 Received shutdown request... [2024-12-17 01:27:27,190 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2024-12-17 01:27:27,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 01:27:27,207 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-17 01:27:27,207 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 [2024-12-17 01:27:27,207 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 [2024-12-17 01:27:27,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 01:27:27,391 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2024-12-17 01:27:27,392 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-12-17 01:27:27,393 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-17 01:27:27,393 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-17 01:27:27,393 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-12-17 01:27:27,396 INFO L422 BasicCegarLoop]: Path program histogram: [10] [2024-12-17 01:27:27,399 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 01:27:27,399 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 01:27:27,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 01:27:27,412 INFO L201 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 01:27:27 BasicIcfg [2024-12-17 01:27:27,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 01:27:27,415 INFO L158 Benchmark]: Toolchain (without parser) took 846378.88ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 102.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2024-12-17 01:27:27,415 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:27:27,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.68ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-17 01:27:27,416 INFO L158 Benchmark]: Boogie Preprocessor took 22.22ms. Allocated memory is still 167.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:27:27,417 INFO L158 Benchmark]: RCFGBuilder took 294.89ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 88.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-17 01:27:27,417 INFO L158 Benchmark]: TraceAbstraction took 846028.61ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 88.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2024-12-17 01:27:27,418 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.68ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.22ms. Allocated memory is still 167.8MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 294.89ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 88.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 846028.61ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 88.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. 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: 106874, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 10245, dependent conditional: 10235, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98814, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 2185, dependent conditional: 2175, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98814, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 2185, dependent conditional: 2175, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 21879, dependent conditional: 21869, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 3466, independent unconditional: 93163, dependent: 21879, dependent conditional: 7512, dependent unconditional: 14367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 3466, independent unconditional: 93163, dependent: 21879, dependent conditional: 7512, dependent unconditional: 14367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 733, independent: 611, independent conditional: 26, independent unconditional: 585, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 733, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 163, independent: 41, independent conditional: 26, independent unconditional: 15, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 163, independent: 41, independent conditional: 26, independent unconditional: 15, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1898, independent: 604, independent conditional: 258, independent unconditional: 347, dependent: 1293, dependent conditional: 1023, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 118508, independent: 96018, independent conditional: 3440, independent unconditional: 92578, dependent: 21757, dependent conditional: 7400, dependent unconditional: 14357, unknown: 733, unknown conditional: 138, unknown unconditional: 595] , Statistics on independence cache: Total cache size (in pairs): 733, Positive cache size: 611, Positive conditional cache size: 26, Positive unconditional cache size: 585, Negative cache size: 122, Negative conditional cache size: 112, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 106851, Maximal queried relation: 8, Independence queries for same thread: 8060, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 348, Number of trivial persistent sets: 223, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 679, independent: 669, independent conditional: 0, independent unconditional: 669, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 106874, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 10245, dependent conditional: 10235, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98814, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 2185, dependent conditional: 2175, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98814, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 2185, dependent conditional: 2175, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 95960, independent unconditional: 669, dependent: 21879, dependent conditional: 21869, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 3466, independent unconditional: 93163, dependent: 21879, dependent conditional: 7512, dependent unconditional: 14367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118508, independent: 96629, independent conditional: 3466, independent unconditional: 93163, dependent: 21879, dependent conditional: 7512, dependent unconditional: 14367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 733, independent: 611, independent conditional: 26, independent unconditional: 585, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 733, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 163, independent: 41, independent conditional: 26, independent unconditional: 15, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 163, independent: 41, independent conditional: 26, independent unconditional: 15, dependent: 122, dependent conditional: 112, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1898, independent: 604, independent conditional: 258, independent unconditional: 347, dependent: 1293, dependent conditional: 1023, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 118508, independent: 96018, independent conditional: 3440, independent unconditional: 92578, dependent: 21757, dependent conditional: 7400, dependent unconditional: 14357, unknown: 733, unknown conditional: 138, unknown unconditional: 595] , Statistics on independence cache: Total cache size (in pairs): 733, Positive cache size: 611, Positive conditional cache size: 26, Positive unconditional cache size: 585, Negative cache size: 122, Negative conditional cache size: 112, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 106851, Maximal queried relation: 8, Independence queries for same thread: 8060 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 161 with TraceHistMax 17,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-74-12-16-11-15-7-14-11-13-8-12-8-11-7-10-6-9-4-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 45 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 845.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 7.0s, 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: 122, 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, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 885 NumberOfCodeBlocks, 800 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1019 ConstructedInterpolants, 0 QuantifiedInterpolants, 4796 SizeOfPredicates, 8 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 825/962 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown