/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-opt-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:54:48,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:54:48,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:54:48,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:54:48,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:54:48,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:54:48,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:54:48,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:54:48,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:54:48,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:54:48,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:54:48,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:54:48,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:54:48,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:54:48,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:54:48,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:54:48,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-16 00:54:48,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:54:48,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:54:48,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:54:48,919 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-11-16 00:54:48,920 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-11-16 00:54:48,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-opt-symm.wvr.bpl [2024-11-16 00:54:48,921 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-opt-symm.wvr.bpl' [2024-11-16 00:54:48,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:54:48,954 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-11-16 00:54:48,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:54:48,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:54:48,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:54:48,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,978 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-11-16 00:54:48,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:54:48,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:54:48,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:54:48,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:54:48,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:48,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:49,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:49,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:54:49,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:54:49,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:54:49,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:54:49,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/1) ... [2024-11-16 00:54:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:54:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:49,042 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) [2024-11-16 00:54:49,051 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 [2024-11-16 00:54:49,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-11-16 00:54:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:54:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:54:49,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-11-16 00:54:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:54:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:54:49,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-11-16 00:54:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:54:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:54:49,076 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:54:49,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:54:49,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:54:49,272 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:54:49,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:54:49,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:54:49,367 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 00:54:49,368 INFO L201 PluginConnector]: Adding new model chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:54:49 BoogieIcfgContainer [2024-11-16 00:54:49,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:54:49,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:54:49,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:54:49,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:54:49,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.11 12:54:48" (1/2) ... [2024-11-16 00:54:49,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512be4eb and model type chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:54:49, skipping insertion in model container [2024-11-16 00:54:49,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:54:49" (2/2) ... [2024-11-16 00:54:49,380 INFO L112 eAbstractionObserver]: Analyzing ICFG chromosome-opt-symm.wvr.bpl [2024-11-16 00:54:49,395 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:54:49,397 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chromosome-opt-symm.wvr.bpl that has 3 procedures, 17 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-16 00:54:49,397 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:54:49,453 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:54:49,506 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:54:49,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:54:49,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:49,510 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) [2024-11-16 00:54:49,511 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 [2024-11-16 00:54:49,561 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:54:49,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:54:49,589 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;@7e9056f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:54:49,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:54:49,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:49,660 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:49,661 INFO L132 ounterexampleChecker]: Examining path program with hash 508602776, occurence #1 [2024-11-16 00:54:49,661 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:54:49,661 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:49,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash 928512181, now seen corresponding path program 1 times [2024-11-16 00:54:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:49,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041747276] [2024-11-16 00:54:49,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:49,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:49,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041747276] [2024-11-16 00:54:49,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041747276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:54:49,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:54:50,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:54:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426204446] [2024-11-16 00:54:50,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:54:50,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:54:50,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:54:50,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:54:50,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:54:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:50,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:54:50,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-16 00:54:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:50,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:54:50,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:50,126 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:50,126 INFO L132 ounterexampleChecker]: Examining path program with hash -1637937299, occurence #1 [2024-11-16 00:54:50,127 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:54:50,127 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:50,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:50,127 INFO L85 PathProgramCache]: Analyzing trace with hash -790640840, now seen corresponding path program 1 times [2024-11-16 00:54:50,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:50,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425584133] [2024-11-16 00:54:50,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:50,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:51,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:51,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425584133] [2024-11-16 00:54:51,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425584133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:54:51,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125655885] [2024-11-16 00:54:51,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:51,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:51,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:51,102 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) [2024-11-16 00:54:51,103 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 [2024-11-16 00:54:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:51,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-16 00:54:51,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:54:51,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 87 [2024-11-16 00:54:51,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 73 [2024-11-16 00:54:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:51,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:54:52,495 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-16 00:54:52,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 96 [2024-11-16 00:54:52,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 75 [2024-11-16 00:54:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:52,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125655885] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:54:52,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:54:52,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-16 00:54:52,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659418035] [2024-11-16 00:54:52,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:54:52,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 00:54:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:54:52,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 00:54:52,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-16 00:54:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:52,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:54:52,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 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) [2024-11-16 00:54:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:53,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:53,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:54:53,377 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 [2024-11-16 00:54:53,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:53,378 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:53,378 INFO L132 ounterexampleChecker]: Examining path program with hash -1637937299, occurence #2 [2024-11-16 00:54:53,378 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:54:53,378 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-16 00:54:53,379 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:53,379 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-16 00:54:53,380 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:53,380 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-16 00:54:53,380 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:53,380 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:54:53,380 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:53,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash 665714939, now seen corresponding path program 2 times [2024-11-16 00:54:53,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:53,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006677368] [2024-11-16 00:54:53,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:54,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006677368] [2024-11-16 00:54:54,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006677368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:54:54,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992850859] [2024-11-16 00:54:54,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:54:54,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:54,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:54,006 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) [2024-11-16 00:54:54,007 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 [2024-11-16 00:54:54,053 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:54:54,053 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:54:54,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-16 00:54:54,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:54:54,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 78 [2024-11-16 00:54:54,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 64 [2024-11-16 00:54:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:54,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:54:54,986 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-16 00:54:54,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 94 [2024-11-16 00:54:55,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 75 [2024-11-16 00:54:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:54:55,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992850859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:54:55,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:54:55,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 22 [2024-11-16 00:54:55,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968439774] [2024-11-16 00:54:55,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:54:55,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-16 00:54:55,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:54:55,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-16 00:54:55,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-16 00:54:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:55,110 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:54:55,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 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) [2024-11-16 00:54:55,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:55,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:55,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 00:54:56,633 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 [2024-11-16 00:54:56,822 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 [2024-11-16 00:54:56,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:56,823 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:56,823 INFO L132 ounterexampleChecker]: Examining path program with hash -1637937299, occurence #3 [2024-11-16 00:54:56,823 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:54:56,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-16 00:54:56,823 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:56,823 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-16 00:54:56,824 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:56,824 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-16 00:54:56,824 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:56,824 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:54:56,824 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:56,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1962978373, now seen corresponding path program 3 times [2024-11-16 00:54:56,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:56,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877057302] [2024-11-16 00:54:56,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:57,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877057302] [2024-11-16 00:54:57,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877057302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:54:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461813328] [2024-11-16 00:54:57,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-16 00:54:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:57,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:57,419 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) [2024-11-16 00:54:57,421 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 [2024-11-16 00:54:57,466 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-16 00:54:57,466 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:54:57,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-16 00:54:57,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:54:57,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2024-11-16 00:54:57,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2024-11-16 00:54:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:57,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:54:57,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:54:57,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 57 [2024-11-16 00:54:57,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:54:57,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 51 [2024-11-16 00:54:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:58,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461813328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:54:58,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:54:58,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-11-16 00:54:58,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213257004] [2024-11-16 00:54:58,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:54:58,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 00:54:58,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:54:58,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 00:54:58,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-11-16 00:54:58,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:58,040 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:54:58,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 25 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) [2024-11-16 00:54:58,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:58,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:58,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-16 00:54:58,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:54:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:54:58,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 00:54:58,866 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 [2024-11-16 00:54:58,866 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:58,866 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:58,866 INFO L132 ounterexampleChecker]: Examining path program with hash -1637937299, occurence #4 [2024-11-16 00:54:58,866 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:54:58,866 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-16 00:54:58,866 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:58,866 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-16 00:54:58,866 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:58,866 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:54:58,867 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:54:58,867 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:54:58,867 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:58,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash 149154111, now seen corresponding path program 4 times [2024-11-16 00:54:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:58,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848171716] [2024-11-16 00:54:58,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:58,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:59,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:59,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848171716] [2024-11-16 00:54:59,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848171716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:54:59,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038190931] [2024-11-16 00:54:59,205 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-16 00:54:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:59,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:54:59,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 00:54:59,262 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-16 00:54:59,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:54:59,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-16 00:54:59,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:54:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:59,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:54:59,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038190931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:54:59,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:54:59,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2024-11-16 00:54:59,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132329272] [2024-11-16 00:54:59,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:54:59,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 00:54:59,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:54:59,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 00:54:59,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-16 00:54:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:59,432 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:54:59,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2024-11-16 00:54:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:54:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:54:59,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:54:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:54:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:54:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:54:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:54:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:54:59,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 00:54:59,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:59,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:54:59,728 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:54:59,728 INFO L132 ounterexampleChecker]: Examining path program with hash -383721497, occurence #1 [2024-11-16 00:54:59,728 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:54:59,728 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:54:59,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:54:59,728 INFO L85 PathProgramCache]: Analyzing trace with hash -984525964, now seen corresponding path program 5 times [2024-11-16 00:54:59,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:54:59,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721910520] [2024-11-16 00:54:59,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:54:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:54:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:54:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:54:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:54:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721910520] [2024-11-16 00:54:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721910520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:54:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483274120] [2024-11-16 00:54:59,982 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-16 00:54:59,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:54:59,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:54:59,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:54:59,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 00:55:00,045 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-16 00:55:00,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:55:00,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-16 00:55:00,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:55:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:55:00,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 00:55:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483274120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:55:00,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 00:55:00,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-16 00:55:00,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841506457] [2024-11-16 00:55:00,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:55:00,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 00:55:00,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:55:00,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 00:55:00,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-16 00:55:00,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:00,252 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:55:00,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2024-11-16 00:55:00,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:00,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:55:00,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:55:00,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:55:00,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:00,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:00,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:55:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:55:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:55:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:00,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 00:55:00,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 00:55:00,530 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:55:00,530 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:55:00,530 INFO L132 ounterexampleChecker]: Examining path program with hash -383721497, occurence #2 [2024-11-16 00:55:00,530 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:55:00,530 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-16 00:55:00,530 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:00,531 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-16 00:55:00,531 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:00,531 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-16 00:55:00,531 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:00,531 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:55:00,531 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:55:00,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:55:00,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2086436503, now seen corresponding path program 6 times [2024-11-16 00:55:00,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:55:00,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398965221] [2024-11-16 00:55:00,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:55:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:55:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:55:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:55:01,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:55:01,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398965221] [2024-11-16 00:55:01,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398965221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:55:01,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362847553] [2024-11-16 00:55:01,120 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-16 00:55:01,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:55:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:55:01,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 00:55:01,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 00:55:01,180 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-16 00:55:01,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:55:01,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-16 00:55:01,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:55:01,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2024-11-16 00:55:01,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-11-16 00:55:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:55:01,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:55:01,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:55:01,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2024-11-16 00:55:01,644 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:55:01,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2024-11-16 00:55:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:55:01,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362847553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:55:01,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:55:01,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 29 [2024-11-16 00:55:01,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384931359] [2024-11-16 00:55:01,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:55:01,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-16 00:55:01,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:55:01,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-16 00:55:01,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2024-11-16 00:55:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:01,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:55:01,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 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) [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 00:55:02,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-16 00:55:02,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:55:02,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:55:02,973 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:55:02,973 INFO L132 ounterexampleChecker]: Examining path program with hash -383721497, occurence #3 [2024-11-16 00:55:02,973 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:55:02,973 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-16 00:55:02,974 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:02,974 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-16 00:55:02,974 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:02,974 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-16 00:55:02,974 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:55:02,974 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:55:02,974 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:55:02,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:55:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1850690211, now seen corresponding path program 1 times [2024-11-16 00:55:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:55:02,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223861914] [2024-11-16 00:55:02,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:55:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:55:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:55:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:55:03,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:55:03,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223861914] [2024-11-16 00:55:03,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223861914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:55:03,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:55:03,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 00:55:03,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016881735] [2024-11-16 00:55:03,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:55:03,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 00:55:03,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:55:03,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 00:55:03,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 00:55:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:03,026 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:55:03,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-16 00:55:03,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:55:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:55:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 00:55:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-16 00:55:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 00:55:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:55:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 00:55:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:55:03,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-11-16 00:55:03,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-16 00:55:03,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:55:03,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 00:55:03,103 INFO L422 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2024-11-16 00:55:03,106 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 00:55:03,106 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 00:55:03,126 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 [2024-11-16 00:55:03,127 INFO L201 PluginConnector]: Adding new model chromosome-opt-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:55:03 BasicIcfg [2024-11-16 00:55:03,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 00:55:03,128 INFO L158 Benchmark]: Toolchain (without parser) took 14173.31ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 37.0MB in the beginning and 72.0MB in the end (delta: -35.0MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2024-11-16 00:55:03,128 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:55:03,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.39ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 35.7MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:55:03,128 INFO L158 Benchmark]: Boogie Preprocessor took 21.55ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 35.1MB in the end (delta: 594.0kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:55:03,128 INFO L158 Benchmark]: RCFGBuilder took 365.85ms. Allocated memory is still 83.9MB. Free memory was 35.0MB in the beginning and 58.7MB in the end (delta: -23.7MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2024-11-16 00:55:03,129 INFO L158 Benchmark]: TraceAbstraction took 13756.73ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 58.1MB in the beginning and 72.0MB in the end (delta: -13.9MB). Peak memory consumption was 87.4MB. Max. memory is 8.0GB. [2024-11-16 00:55:03,130 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 0.22ms. Allocated memory is still 83.9MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.39ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 35.7MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.55ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 35.1MB in the end (delta: 594.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 365.85ms. Allocated memory is still 83.9MB. Free memory was 35.0MB in the beginning and 58.7MB in the end (delta: -23.7MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * TraceAbstraction took 13756.73ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 58.1MB in the beginning and 72.0MB in the end (delta: -13.9MB). Peak memory consumption was 87.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 788, independent: 536, independent conditional: 427, independent unconditional: 109, dependent: 252, dependent conditional: 252, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 0, independent unconditional: 536, 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: 536, independent: 536, independent conditional: 0, independent unconditional: 536, 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: 112, independent: 112, independent conditional: 0, independent unconditional: 112, 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: 112, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 536, independent: 424, independent conditional: 0, independent unconditional: 424, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 112, unknown conditional: 0, unknown unconditional: 112] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, 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: 427, Maximal queried relation: 0, Independence queries for same thread: 252, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 23, Number of trivial persistent sets: 16, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, independent: 109, independent conditional: 0, independent unconditional: 109, 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: 788, independent: 536, independent conditional: 427, independent unconditional: 109, dependent: 252, dependent conditional: 252, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 427, independent unconditional: 109, 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: 536, independent: 536, independent conditional: 0, independent unconditional: 536, 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: 536, independent: 536, independent conditional: 0, independent unconditional: 536, 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: 112, independent: 112, independent conditional: 0, independent unconditional: 112, 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: 112, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 536, independent: 424, independent conditional: 0, independent unconditional: 424, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 112, unknown conditional: 0, unknown unconditional: 112] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, 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: 427, Maximal queried relation: 0, Independence queries for same thread: 252 - PositiveResult [Line: 80]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 27 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 4.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 2967 SizeOfPredicates, 63 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 106/217 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: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 00:55:03,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...