/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 23:33:47,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 23:33:47,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-16 23:33:47,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 23:33:47,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 23:33:47,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 23:33:47,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 23:33:47,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 23:33:47,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 23:33:47,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 23:33:47,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 23:33:47,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 23:33:47,829 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 23:33:47,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 23:33:47,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 23:33:47,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 23:33:47,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 23:33:47,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:33:47,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 23:33:47,831 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 23:33:47,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-16 23:33:48,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 23:33:48,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 23:33:48,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 23:33:48,104 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 23:33:48,106 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 23:33:48,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2024-12-16 23:33:48,107 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2024-12-16 23:33:48,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 23:33:48,134 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 23:33:48,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 23:33:48,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 23:33:48,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 23:33:48,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,158 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 23:33:48,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 23:33:48,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 23:33:48,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 23:33:48,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 23:33:48,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 23:33:48,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 23:33:48,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 23:33:48,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 23:33:48,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/1) ... [2024-12-16 23:33:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 23:33:48,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:33:48,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-16 23:33:48,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-16 23:33:48,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 23:33:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 23:33:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 23:33:48,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 23:33:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 23:33:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 23:33:48,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 23:33:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 23:33:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 23:33:48,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 23:33:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 23:33:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 23:33:48,251 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 23:33:48,291 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 23:33:48,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 23:33:48,371 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 23:33:48,371 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 23:33:48,400 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 23:33:48,400 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 23:33:48,401 INFO L201 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:33:48 BoogieIcfgContainer [2024-12-16 23:33:48,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 23:33:48,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 23:33:48,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 23:33:48,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 23:33:48,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 11:33:48" (1/2) ... [2024-12-16 23:33:48,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8d97f8 and model type max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:33:48, skipping insertion in model container [2024-12-16 23:33:48,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:33:48" (2/2) ... [2024-12-16 23:33:48,412 INFO L128 eAbstractionObserver]: Analyzing ICFG max-fun-alt.wvr.bpl [2024-12-16 23:33:48,424 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 23:33:48,426 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG max-fun-alt.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-16 23:33:48,426 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 23:33:48,473 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 23:33:48,516 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:33:48,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 23:33:48,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:33:48,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-16 23:33:48,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-16 23:33:48,572 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 23:33:48,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 23:33:48,594 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;@4f4da134, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 23:33:48,594 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 23:33:48,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:33:48,986 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:33:48,987 INFO L139 ounterexampleChecker]: Examining path program with hash 464764640, occurence #1 [2024-12-16 23:33:48,987 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:33:48,987 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:33:48,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:33:48,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1490265330, now seen corresponding path program 1 times [2024-12-16 23:33:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:33:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865204650] [2024-12-16 23:33:49,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:33:49,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:33:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:33:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:33:49,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:33:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865204650] [2024-12-16 23:33:49,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865204650] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 23:33:49,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 23:33:49,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 23:33:49,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17041857] [2024-12-16 23:33:49,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 23:33:49,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 23:33:49,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:33:49,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 23:33:49,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 23:33:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:33:49,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:33:49,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:33:49,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:33:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:33:49,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 23:33:49,268 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:33:49,269 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:33:49,269 INFO L139 ounterexampleChecker]: Examining path program with hash -1504241846, occurence #1 [2024-12-16 23:33:49,269 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:33:49,269 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:33:49,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:33:49,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1906162644, now seen corresponding path program 1 times [2024-12-16 23:33:49,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:33:49,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670181321] [2024-12-16 23:33:49,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:33:49,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:33:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:33:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:33:51,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:33:51,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670181321] [2024-12-16 23:33:51,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670181321] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:33:51,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382060126] [2024-12-16 23:33:51,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 23:33:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:33:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:33:51,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:33:51,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-16 23:33:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 23:33:51,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-16 23:33:51,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:33:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:33:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:33:52,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:33:52,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 235 treesize of output 163 [2024-12-16 23:33:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:33:53,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:33:55,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:33:55,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 959 treesize of output 545 [2024-12-16 23:34:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:34:09,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382060126] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:34:09,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:34:09,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-12-16 23:34:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408857344] [2024-12-16 23:34:09,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:34:09,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-16 23:34:09,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:34:09,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-16 23:34:09,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2024-12-16 23:34:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:34:09,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:34:09,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:34:09,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:34:09,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:34:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:34:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:34:11,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 23:34:12,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:34:12,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:34:12,185 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:34:12,185 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #1 [2024-12-16 23:34:12,185 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 23:34:12,185 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:34:12,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:34:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash -640358690, now seen corresponding path program 2 times [2024-12-16 23:34:12,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:34:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414816972] [2024-12-16 23:34:12,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:34:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:34:12,199 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:34:12,199 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:34:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:34:12,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:34:12,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414816972] [2024-12-16 23:34:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414816972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:34:12,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89569948] [2024-12-16 23:34:12,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 23:34:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:34:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:34:12,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:34:12,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-16 23:34:12,359 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 23:34:12,360 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:34:12,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 23:34:12,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:34:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:34:12,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 23:34:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:34:12,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89569948] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 23:34:12,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 23:34:12,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 27 [2024-12-16 23:34:12,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608758617] [2024-12-16 23:34:12,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 23:34:12,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-16 23:34:12,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 23:34:12,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-16 23:34:12,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-12-16 23:34:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:34:12,657 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 23:34:12,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 27 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 23:34:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:34:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:34:12,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 23:34:13,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 23:34:13,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-16 23:34:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-16 23:34:13,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-16 23:34:13,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:34:13,377 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 23:34:13,378 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 23:34:13,378 INFO L139 ounterexampleChecker]: Examining path program with hash 264260834, occurence #2 [2024-12-16 23:34:13,378 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 23:34:13,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-16 23:34:13,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:34:13,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-16 23:34:13,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 23:34:13,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-16 23:34:13,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 23:34:13,379 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 23:34:13,379 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 23:34:13,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 23:34:13,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1192756316, now seen corresponding path program 3 times [2024-12-16 23:34:13,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 23:34:13,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583837445] [2024-12-16 23:34:13,380 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:34:13,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 23:34:13,603 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 23:34:13,603 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:44:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 23:44:39,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 23:44:39,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583837445] [2024-12-16 23:44:39,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583837445] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 23:44:39,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089051518] [2024-12-16 23:44:39,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 23:44:39,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:44:39,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 23:44:39,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 23:44:39,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-16 23:44:39,674 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 23:44:39,675 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 23:44:39,676 WARN L254 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-16 23:44:39,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 23:46:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:46:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:46:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-16 23:46:52,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 23:46:52,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 8231 treesize of output 4077 Received shutdown request... [2024-12-16 23:48:09,300 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-12-16 23:48:09,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-16 23:48:09,332 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 [2024-12-16 23:48:09,332 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 [2024-12-16 23:48:09,332 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 [2024-12-16 23:48:09,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 23:48:09,501 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-50-7-7-40-7-13-6-6-7-7-7-7-7-7-5-6-3-4-2-2-1 context. [2024-12-16 23:48:09,502 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-16 23:48:09,503 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-12-16 23:48:09,503 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-12-16 23:48:09,505 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-12-16 23:48:09,507 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-16 23:48:09,508 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-16 23:48:09,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 23:48:09,520 INFO L201 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:48:09 BasicIcfg [2024-12-16 23:48:09,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-16 23:48:09,522 INFO L158 Benchmark]: Toolchain (without parser) took 861386.60ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 99.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2024-12-16 23:48:09,522 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:48:09,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.09ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:48:09,523 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 23:48:09,524 INFO L158 Benchmark]: RCFGBuilder took 224.45ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 88.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 23:48:09,524 INFO L158 Benchmark]: TraceAbstraction took 861114.51ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 87.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2024-12-16 23:48:09,526 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 0.20ms. Allocated memory is still 167.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.09ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 224.45ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 88.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 861114.51ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 87.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. 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: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 333, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651, Maximal queried relation: 0, Independence queries for same thread: 179, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 21, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 238, independent conditional: 0, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1068, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 179, dependent conditional: 179, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 651, independent unconditional: 238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 889, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, independent: 222, independent conditional: 0, independent unconditional: 222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 333, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 889, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 222, unknown conditional: 0, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 651, Maximal queried relation: 0, Independence queries for same thread: 179 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-50-7-7-40-7-13-6-6-7-7-7-7-7-7-5-6-3-4-2-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-50-7-7-40-7-13-6-6-7-7-7-7-7-7-5-6-3-4-2-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-50-7-7-40-7-13-6-6-7-7-7-7-7-7-5-6-3-4-2-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-50-7-7-40-7-13-6-6-7-7-7-7-7-7-5-6-3-4-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.0s, 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: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.0s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 6061 SizeOfPredicates, 8 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/75 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: 2, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown