/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 12:25:51,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 12:25:51,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 12:25:51,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 12:25:51,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 12:25:51,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 12:25:51,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 12:25:51,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 12:25:51,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 12:25:51,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 12:25:51,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 12:25:51,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 12:25:51,780 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 12:25:51,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 12:25:51,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 12:25:51,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 12:25:51,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 12:25:51,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 12:25:51,784 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 12:25:51,784 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 12:25:51,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-04-25 12:25:51,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 12:25:51,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 12:25:51,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 12:25:51,996 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 12:25:51,998 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 12:25:51,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2025-04-25 12:25:51,999 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2025-04-25 12:25:52,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 12:25:52,015 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 12:25:52,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 12:25:52,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 12:25:52,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 12:25:52,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,052 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 12:25:52,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 12:25:52,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 12:25:52,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 12:25:52,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 12:25:52,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 12:25:52,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 12:25:52,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 12:25:52,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 12:25:52,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/1) ... [2025-04-25 12:25:52,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 12:25:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:25:52,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 12:25:52,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 12:25:52,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 12:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 12:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 12:25:52,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 12:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 12:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 12:25:52,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 12:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 12:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 12:25:52,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 12:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 12:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 12:25:52,123 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 12:25:52,157 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 12:25:52,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 12:25:52,237 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 12:25:52,237 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 12:25:52,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 12:25:52,260 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 12:25:52,260 INFO L201 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 12:25:52 BoogieIcfgContainer [2025-04-25 12:25:52,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 12:25:52,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 12:25:52,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 12:25:52,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 12:25:52,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 12:25:52" (1/2) ... [2025-04-25 12:25:52,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd895f1 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 12:25:52, skipping insertion in model container [2025-04-25 12:25:52,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 12:25:52" (2/2) ... [2025-04-25 12:25:52,269 INFO L128 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2025-04-25 12:25:52,279 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 12:25:52,282 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG max-array.wvr.bpl that has 4 procedures, 27 locations, 26 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 12:25:52,282 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 12:25:52,324 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 12:25:52,354 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 12:25:52,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 12:25:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:25:52,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-25 12:25:52,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-25 12:25:52,396 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 12:25:52,408 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 12:25:52,417 INFO L340 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;@3af2e124, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 12:25:52,417 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 12:25:52,467 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:52,467 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:52,467 INFO L139 ounterexampleChecker]: Examining path program with hash 2005930966, occurence #1 [2025-04-25 12:25:52,467 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:52,467 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:52,471 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:52,471 INFO L85 PathProgramCache]: Analyzing trace with hash -639917213, now seen corresponding path program 1 times [2025-04-25 12:25:52,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:52,476 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374012090] [2025-04-25 12:25:52,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:25:52,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:52,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-25 12:25:52,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-25 12:25:52,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:25:52,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:52,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:52,611 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374012090] [2025-04-25 12:25:52,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374012090] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 12:25:52,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 12:25:52,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 12:25:52,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231754356] [2025-04-25 12:25:52,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 12:25:52,641 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 12:25:52,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:52,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 12:25:52,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 12:25:52,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:52,673 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:52,674 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:52,675 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:52,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:52,701 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 12:25:52,702 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:52,702 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:52,702 INFO L139 ounterexampleChecker]: Examining path program with hash -976497820, occurence #1 [2025-04-25 12:25:52,702 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:52,702 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:52,702 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:52,702 INFO L85 PathProgramCache]: Analyzing trace with hash 125938849, now seen corresponding path program 1 times [2025-04-25 12:25:52,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:52,702 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881995524] [2025-04-25 12:25:52,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:25:52,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:52,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 12:25:52,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 12:25:52,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:25:52,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 12:25:52,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:52,804 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881995524] [2025-04-25 12:25:52,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881995524] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 12:25:52,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 12:25:52,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 12:25:52,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711102116] [2025-04-25 12:25:52,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 12:25:52,814 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 12:25:52,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:52,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 12:25:52,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-25 12:25:52,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:52,816 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:52,816 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:52,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:52,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:52,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:52,906 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:52,906 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 12:25:52,906 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:52,906 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:52,906 INFO L139 ounterexampleChecker]: Examining path program with hash 2044170120, occurence #1 [2025-04-25 12:25:52,906 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:52,906 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:52,907 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1484983773, now seen corresponding path program 1 times [2025-04-25 12:25:52,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:52,907 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602793096] [2025-04-25 12:25:52,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:25:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:52,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 12:25:52,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 12:25:52,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:25:52,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:52,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:52,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602793096] [2025-04-25 12:25:52,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602793096] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 12:25:52,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 12:25:52,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 12:25:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832644329] [2025-04-25 12:25:52,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 12:25:52,963 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 12:25:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:52,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 12:25:52,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 12:25:52,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:52,963 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:52,963 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:52,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:52,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:52,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:53,013 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:53,013 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:53,013 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:53,014 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 12:25:53,014 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:53,014 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:53,014 INFO L139 ounterexampleChecker]: Examining path program with hash 662202670, occurence #1 [2025-04-25 12:25:53,014 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:53,014 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:53,014 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash -863276901, now seen corresponding path program 1 times [2025-04-25 12:25:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:53,015 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664859149] [2025-04-25 12:25:53,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:25:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:53,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 12:25:53,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 12:25:53,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:25:53,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:53,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:53,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664859149] [2025-04-25 12:25:53,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664859149] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 12:25:53,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 12:25:53,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 12:25:53,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063382937] [2025-04-25 12:25:53,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 12:25:53,391 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 12:25:53,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:53,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 12:25:53,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-04-25 12:25:53,392 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:53,392 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:53,392 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:53,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:53,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:53,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:53,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:53,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:53,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:53,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:53,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:53,603 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 12:25:53,603 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:53,603 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:53,603 INFO L139 ounterexampleChecker]: Examining path program with hash 1974741180, occurence #1 [2025-04-25 12:25:53,603 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:53,603 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:53,604 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:53,604 INFO L85 PathProgramCache]: Analyzing trace with hash 225643481, now seen corresponding path program 2 times [2025-04-25 12:25:53,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:53,604 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032627514] [2025-04-25 12:25:53,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 12:25:53,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:53,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-04-25 12:25:53,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 12:25:53,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:25:53,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:53,692 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032627514] [2025-04-25 12:25:53,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032627514] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 12:25:53,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 12:25:53,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 12:25:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169672658] [2025-04-25 12:25:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 12:25:53,692 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 12:25:53,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:53,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 12:25:53,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-25 12:25:53,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:53,693 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:53,693 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:53,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:53,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:53,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:53,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:53,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:53,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:53,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:53,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:53,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:53,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:25:53,806 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 12:25:53,806 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:53,806 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:53,806 INFO L139 ounterexampleChecker]: Examining path program with hash -1567298499, occurence #1 [2025-04-25 12:25:53,806 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:53,806 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:53,809 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:53,810 INFO L85 PathProgramCache]: Analyzing trace with hash 975672665, now seen corresponding path program 3 times [2025-04-25 12:25:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:53,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197666752] [2025-04-25 12:25:53,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 12:25:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:53,813 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 12:25:53,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 12:25:53,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 12:25:53,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:53,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:53,892 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197666752] [2025-04-25 12:25:53,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197666752] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:25:53,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470304405] [2025-04-25 12:25:53,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 12:25:53,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:25:53,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:25:53,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:25:53,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 12:25:53,920 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 12:25:53,928 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 12:25:53,928 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 12:25:53,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:53,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-25 12:25:53,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:25:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:54,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:25:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:54,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470304405] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:25:54,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:25:54,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-04-25 12:25:54,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801062322] [2025-04-25 12:25:54,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:25:54,076 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 12:25:54,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:54,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 12:25:54,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-04-25 12:25:54,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:54,077 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:54,077 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 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) [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:25:54,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:25:54,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 12:25:54,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-25 12:25:54,456 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-25 12:25:54,456 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:54,456 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:54,456 INFO L139 ounterexampleChecker]: Examining path program with hash -2005995350, occurence #1 [2025-04-25 12:25:54,456 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:25:54,456 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:54,457 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:54,457 INFO L85 PathProgramCache]: Analyzing trace with hash -684979945, now seen corresponding path program 4 times [2025-04-25 12:25:54,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:54,457 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355058246] [2025-04-25 12:25:54,457 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 12:25:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:54,460 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 12:25:54,470 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:25:54,470 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 12:25:54,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:54,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:54,980 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355058246] [2025-04-25 12:25:54,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355058246] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:25:54,980 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198688549] [2025-04-25 12:25:54,980 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 12:25:54,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:25:54,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:25:54,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:25:54,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-25 12:25:55,001 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 12:25:55,010 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:25:55,011 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 12:25:55,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:55,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 12:25:55,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:25:55,451 INFO L354 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 108 treesize of output 74 [2025-04-25 12:25:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:55,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:25:56,276 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:25:56,276 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 157 [2025-04-25 12:25:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:25:57,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198688549] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:25:57,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:25:57,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2025-04-25 12:25:57,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31609152] [2025-04-25 12:25:57,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:25:57,144 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-25 12:25:57,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:25:57,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-25 12:25:57,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2025-04-25 12:25:57,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:57,145 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:25:57,145 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.76) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 12:25:57,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:25:58,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 12:25:58,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-25 12:25:58,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 12:25:58,226 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:25:58,226 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:25:58,226 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:25:58,226 INFO L139 ounterexampleChecker]: Examining path program with hash -2005995350, occurence #2 [2025-04-25 12:25:58,226 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-25 12:25:58,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-25 12:25:58,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-25 12:25:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-25 12:25:58,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-25 12:25:58,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-25 12:25:58,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-25 12:25:58,227 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-25 12:25:58,227 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:25:58,227 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:25:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash -733847537, now seen corresponding path program 5 times [2025-04-25 12:25:58,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:25:58,228 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024002311] [2025-04-25 12:25:58,228 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 12:25:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:25:58,231 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 12:25:58,262 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 12:25:58,263 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 12:25:58,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-25 12:25:58,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:25:58,920 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024002311] [2025-04-25 12:25:58,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024002311] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:25:58,920 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917409496] [2025-04-25 12:25:58,920 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 12:25:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:25:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:25:58,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:25:58,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-25 12:25:58,941 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 12:25:58,957 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 12:25:58,957 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 12:25:58,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:25:58,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-25 12:25:58,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:26:00,650 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 518 treesize of output 326 [2025-04-25 12:26:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:26:00,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:26:18,531 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:26:18,531 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 4459 treesize of output 1953 [2025-04-25 12:27:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:17,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917409496] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:27:17,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:27:17,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 32 [2025-04-25 12:27:17,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062926889] [2025-04-25 12:27:17,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:27:17,281 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-25 12:27:17,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:27:17,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-25 12:27:17,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2025-04-25 12:27:17,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:17,282 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:27:17,282 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.5454545454545454) internal successors, (84), 32 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-25 12:27:17,283 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:29,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:29,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-25 12:27:29,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-25 12:27:29,266 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:27:29,266 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:27:29,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:27:29,266 INFO L139 ounterexampleChecker]: Examining path program with hash -1426239127, occurence #1 [2025-04-25 12:27:29,267 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:27:29,267 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:27:29,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:27:29,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1372073571, now seen corresponding path program 1 times [2025-04-25 12:27:29,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:27:29,267 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495272399] [2025-04-25 12:27:29,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:27:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:27:29,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 12:27:29,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:27:29,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:27:29,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:29,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:27:29,302 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495272399] [2025-04-25 12:27:29,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495272399] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:27:29,303 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654620158] [2025-04-25 12:27:29,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 12:27:29,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:27:29,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:27:29,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:27:29,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-25 12:27:29,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 12:27:29,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:27:29,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:27:29,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:29,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 12:27:29,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:27:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:29,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:27:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:29,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654620158] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:27:29,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:27:29,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-04-25 12:27:29,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607129336] [2025-04-25 12:27:29,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:27:29,428 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-25 12:27:29,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:27:29,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-25 12:27:29,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-04-25 12:27:29,428 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:29,428 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:27:29,428 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-25 12:27:29,428 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 12:27:30,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:27:30,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-25 12:27:30,245 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-25 12:27:30,245 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:27:30,245 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:27:30,245 INFO L139 ounterexampleChecker]: Examining path program with hash -1342551116, occurence #1 [2025-04-25 12:27:30,245 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:27:30,245 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:27:30,245 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:27:30,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1745642967, now seen corresponding path program 2 times [2025-04-25 12:27:30,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:27:30,246 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075873737] [2025-04-25 12:27:30,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 12:27:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:27:30,247 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 12:27:30,251 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:27:30,251 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:27:30,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:30,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:27:30,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075873737] [2025-04-25 12:27:30,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075873737] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:27:30,538 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602966576] [2025-04-25 12:27:30,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 12:27:30,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:27:30,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:27:30,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:27:30,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-25 12:27:30,557 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 12:27:30,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 12:27:30,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:27:30,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:30,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 12:27:30,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:27:31,075 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:27:31,075 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 133 treesize of output 171 [2025-04-25 12:27:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:34,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:27:34,946 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 12:27:34,958 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:27:34,958 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 203 treesize of output 157 [2025-04-25 12:27:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602966576] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:27:35,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:27:35,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2025-04-25 12:27:35,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715889057] [2025-04-25 12:27:35,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:27:35,547 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-25 12:27:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:27:35,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-25 12:27:35,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2025-04-25 12:27:35,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:35,548 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:27:35,548 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 28 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:35,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:35,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:35,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 12:27:35,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:27:35,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:27:38,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 12:27:38,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-25 12:27:38,912 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-25 12:27:38,912 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:27:38,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:27:38,912 INFO L139 ounterexampleChecker]: Examining path program with hash -2131239320, occurence #1 [2025-04-25 12:27:38,912 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:27:38,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:27:38,912 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:27:38,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1116430507, now seen corresponding path program 3 times [2025-04-25 12:27:38,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:27:38,913 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808734978] [2025-04-25 12:27:38,913 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 12:27:38,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:27:38,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 12:27:38,917 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 12:27:38,917 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 12:27:38,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:38,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:27:38,975 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808734978] [2025-04-25 12:27:38,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808734978] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:27:38,975 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702784147] [2025-04-25 12:27:38,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 12:27:38,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:27:38,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:27:38,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:27:38,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-25 12:27:38,996 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 12:27:39,002 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 12:27:39,003 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 12:27:39,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:39,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-25 12:27:39,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:27:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:39,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:27:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:39,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702784147] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:27:39,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:27:39,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-04-25 12:27:39,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194408832] [2025-04-25 12:27:39,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:27:39,165 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-25 12:27:39,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:27:39,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-25 12:27:39,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2025-04-25 12:27:39,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:39,166 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:27:39,166 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 12:27:39,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 12:27:39,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:27:39,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 12:27:39,963 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-25 12:27:39,964 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:27:39,964 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:27:39,964 INFO L139 ounterexampleChecker]: Examining path program with hash -659052439, occurence #1 [2025-04-25 12:27:39,964 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:27:39,964 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:27:39,964 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:27:39,964 INFO L85 PathProgramCache]: Analyzing trace with hash 888168531, now seen corresponding path program 4 times [2025-04-25 12:27:39,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:27:39,964 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247568796] [2025-04-25 12:27:39,964 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 12:27:39,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:27:39,966 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 12:27:39,972 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 12:27:39,972 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 12:27:39,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:40,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:27:40,343 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247568796] [2025-04-25 12:27:40,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247568796] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:27:40,343 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260156221] [2025-04-25 12:27:40,343 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 12:27:40,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:27:40,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:27:40,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:27:40,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-25 12:27:40,360 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 12:27:40,367 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 12:27:40,368 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 12:27:40,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:27:40,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 12:27:40,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:27:41,166 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 155 [2025-04-25 12:27:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:27:41,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:27:43,816 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:27:43,817 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 975 treesize of output 559 [2025-04-25 12:28:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260156221] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:28:07,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:28:07,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2025-04-25 12:28:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524978792] [2025-04-25 12:28:07,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:28:07,498 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-25 12:28:07,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:28:07,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-25 12:28:07,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2025-04-25 12:28:07,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:07,499 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:28:07,499 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:07,500 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 12:28:12,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:12,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-25 12:28:12,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-25 12:28:12,203 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:12,203 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:28:12,203 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:28:12,203 INFO L139 ounterexampleChecker]: Examining path program with hash -1447740643, occurence #1 [2025-04-25 12:28:12,203 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:28:12,203 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:28:12,204 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:28:12,204 INFO L85 PathProgramCache]: Analyzing trace with hash -515642671, now seen corresponding path program 5 times [2025-04-25 12:28:12,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:28:12,204 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101276007] [2025-04-25 12:28:12,204 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 12:28:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:28:12,206 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 12:28:12,209 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 12:28:12,209 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:28:12,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 12:28:12,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:28:12,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101276007] [2025-04-25 12:28:12,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101276007] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:28:12,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167083036] [2025-04-25 12:28:12,262 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 12:28:12,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:12,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:28:12,263 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:28:12,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-25 12:28:12,283 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 12:28:12,290 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 12:28:12,290 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:28:12,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:12,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 12:28:12,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:28:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 12:28:12,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:28:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 12:28:12,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167083036] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:28:12,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:28:12,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-04-25 12:28:12,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16884500] [2025-04-25 12:28:12,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:28:12,460 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-25 12:28:12,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:28:12,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-25 12:28:12,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-04-25 12:28:12,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:12,460 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:28:12,461 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-25 12:28:12,461 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:16,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 12:28:16,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 12:28:16,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-25 12:28:16,295 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:16,296 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:28:16,296 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:28:16,296 INFO L139 ounterexampleChecker]: Examining path program with hash 361935845, occurence #1 [2025-04-25 12:28:16,296 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:28:16,296 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:28:16,296 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:28:16,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1981908781, now seen corresponding path program 6 times [2025-04-25 12:28:16,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:28:16,296 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367687220] [2025-04-25 12:28:16,296 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 12:28:16,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:28:16,299 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 12:28:16,305 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 12:28:16,305 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 12:28:16,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:16,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:28:16,916 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367687220] [2025-04-25 12:28:16,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367687220] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:28:16,916 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968431644] [2025-04-25 12:28:16,916 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 12:28:16,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:28:16,918 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:28:16,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-25 12:28:16,933 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 12:28:16,941 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 12:28:16,942 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 12:28:16,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:16,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 12:28:16,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:28:17,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:28:17,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:28:17,851 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:28:17,851 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 162 [2025-04-25 12:28:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:18,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:28:20,452 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 12:28:20,499 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:28:20,499 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 959 treesize of output 543 [2025-04-25 12:28:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:36,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968431644] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:28:36,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:28:36,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2025-04-25 12:28:36,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295498800] [2025-04-25 12:28:36,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:28:36,400 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-25 12:28:36,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:28:36,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-25 12:28:36,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2025-04-25 12:28:36,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:36,401 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:28:36,401 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 27 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 12:28:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:39,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 12:28:39,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:39,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-25 12:28:39,741 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-25 12:28:39,742 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:28:39,742 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:28:39,742 INFO L139 ounterexampleChecker]: Examining path program with hash -426752359, occurence #1 [2025-04-25 12:28:39,742 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:28:39,742 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:28:39,742 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:28:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1290935471, now seen corresponding path program 7 times [2025-04-25 12:28:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:28:39,742 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416705631] [2025-04-25 12:28:39,742 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 12:28:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:28:39,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 12:28:39,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 12:28:39,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:28:39,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:39,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:28:39,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416705631] [2025-04-25 12:28:39,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416705631] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:28:39,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048788385] [2025-04-25 12:28:39,810 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 12:28:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:39,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:28:39,812 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:28:39,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-25 12:28:39,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 12:28:39,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 12:28:39,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 12:28:39,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:39,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 12:28:39,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:28:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:39,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 12:28:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048788385] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 12:28:40,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 12:28:40,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2025-04-25 12:28:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765141325] [2025-04-25 12:28:40,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 12:28:40,095 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-25 12:28:40,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 12:28:40,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-25 12:28:40,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-04-25 12:28:40,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:40,096 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 12:28:40,096 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:40,096 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 12:28:41,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 12:28:41,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 12:28:41,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 12:28:41,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 12:28:41,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-25 12:28:41,553 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:41,554 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 12:28:41,554 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 12:28:41,554 INFO L139 ounterexampleChecker]: Examining path program with hash 590035375, occurence #1 [2025-04-25 12:28:41,554 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 12:28:41,554 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 12:28:41,554 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 12:28:41,554 INFO L85 PathProgramCache]: Analyzing trace with hash -877726517, now seen corresponding path program 8 times [2025-04-25 12:28:41,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 12:28:41,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975612496] [2025-04-25 12:28:41,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 12:28:41,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 12:28:41,556 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 12:28:41,581 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 12:28:41,581 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:28:41,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 12:28:43,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 12:28:43,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975612496] [2025-04-25 12:28:43,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975612496] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 12:28:43,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911795772] [2025-04-25 12:28:43,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 12:28:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 12:28:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 12:28:43,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 12:28:43,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-25 12:28:43,148 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 12:28:43,162 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 12:28:43,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 12:28:43,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 12:28:43,162 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-25 12:28:43,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 12:28:49,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:28:49,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:28:49,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:28:49,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 12:29:01,287 WARN L286 SmtUtils]: Spent 11.42s on a formula simplification that was a NOOP. DAG size: 1419 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-25 12:29:01,288 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 12:29:01,289 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 10 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 341 case distinctions, treesize of input 1111 treesize of output 3441 [2025-04-25 12:31:11,685 WARN L656 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. Received shutdown request... [2025-04-25 12:40:20,000 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 12:40:20,000 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 12:40:20,018 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 12:40:20,924 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-04-25 12:40:20,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-25 12:40:21,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-25 12:40:21,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 12:40:21,125 WARN L610 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-8192-72-1 term,while PolyPacSimplificationTermWalker was simplifying 72 xjuncts wrt. a ∧-8374-72-3-3-3-6-3-5-2-1 context. [2025-04-25 12:40:21,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-25 12:40:21,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-25 12:40:21,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-25 12:40:21,135 INFO L422 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1] [2025-04-25 12:40:21,144 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 12:40:21,144 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 12:40:21,147 INFO L201 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 12:40:21 BasicIcfg [2025-04-25 12:40:21,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 12:40:21,148 INFO L158 Benchmark]: Toolchain (without parser) took 869132.74ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 100.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-04-25 12:40:21,148 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 12:40:21,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.63ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 98.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 12:40:21,148 INFO L158 Benchmark]: Boogie Preprocessor took 20.93ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 12:40:21,149 INFO L158 Benchmark]: RCFGBuilder took 185.09ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 87.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 12:40:21,149 INFO L158 Benchmark]: TraceAbstraction took 868884.79ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 87.0MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-04-25 12:40:21,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.63ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 98.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 20.93ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 185.09ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 87.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 868884.79ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 87.0MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3757, independent: 2822, independent conditional: 2454, independent unconditional: 368, dependent: 935, dependent conditional: 935, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 0, independent unconditional: 2822, 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: 2822, independent: 2822, independent conditional: 0, independent unconditional: 2822, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2822, independent: 2473, independent conditional: 0, independent unconditional: 2473, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2454, Maximal queried relation: 0, Independence queries for same thread: 935, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 55, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 368, independent: 368, independent conditional: 0, independent unconditional: 368, 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: 3757, independent: 2822, independent conditional: 2454, independent unconditional: 368, dependent: 935, dependent conditional: 935, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 2454, independent unconditional: 368, 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: 2822, independent: 2822, independent conditional: 0, independent unconditional: 2822, 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: 2822, independent: 2822, independent conditional: 0, independent unconditional: 2822, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2822, independent: 2473, independent conditional: 0, independent unconditional: 2473, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2454, Maximal queried relation: 0, Independence queries for same thread: 935 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-8192-72-1 term,while PolyPacSimplificationTermWalker was simplifying 72 xjuncts wrt. a ∧-8374-72-3-3-3-6-3-5-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-8192-72-1 term,while PolyPacSimplificationTermWalker was simplifying 72 xjuncts wrt. a ∧-8374-72-3-3-3-6-3-5-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-8192-72-1 term,while PolyPacSimplificationTermWalker was simplifying 72 xjuncts wrt. a ∧-8374-72-3-3-3-6-3-5-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-8192-72-1 term,while PolyPacSimplificationTermWalker was simplifying 72 xjuncts wrt. a ∧-8374-72-3-3-3-6-3-5-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 47 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 868.7s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 30.3s, 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: 421, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 136.2s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 933 ConstructedInterpolants, 2 QuantifiedInterpolants, 46170 SizeOfPredicates, 67 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 35 InterpolantComputations, 5 PerfectInterpolantSequences, 22/161 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 2, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown