/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 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 10:29:47,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 10:29:47,439 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 10:29:47,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 10:29:47,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 10:29:47,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 10:29:47,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 10:29:47,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 10:29:47,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 10:29:47,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 10:29:47,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 10:29:47,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 10:29:47,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 10:29:47,463 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 10:29:47,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 10:29:47,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 10:29:47,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 10:29:47,464 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 10:29:47,464 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 -> 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 10:29:47,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 10:29:47,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 10:29:47,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 10:29:47,773 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 10:29:47,775 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 10:29:47,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2025-04-25 10:29:47,776 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2025-04-25 10:29:47,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 10:29:47,802 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 10:29:47,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 10:29:47,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 10:29:47,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 10:29:47,813 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,843 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,854 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 10:29:47,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 10:29:47,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 10:29:47,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 10:29:47,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 10:29:47,864 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,864 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,867 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,867 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,869 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,870 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,873 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,874 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,874 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 10:29:47,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 10:29:47,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 10:29:47,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 10:29:47,883 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 10:29:47" (1/1) ... [2025-04-25 10:29:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 10:29:47,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:29:47,916 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 10:29:47,922 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 10:29:47,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 10:29:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 10:29:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 10:29:47,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 10:29:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 10:29:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 10:29:47,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 10:29:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 10:29:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 10:29:47,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 10:29:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 10:29:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 10:29:47,951 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 10:29:47,990 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 10:29:47,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 10:29:48,090 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 10:29:48,090 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 10:29:48,110 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 10:29:48,110 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 10:29:48,111 INFO L201 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 10:29:48 BoogieIcfgContainer [2025-04-25 10:29:48,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 10:29:48,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 10:29:48,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 10:29:48,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 10:29:48,120 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 10:29:47" (1/2) ... [2025-04-25 10:29:48,120 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 10:29:48, skipping insertion in model container [2025-04-25 10:29:48,120 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 10:29:48" (2/2) ... [2025-04-25 10:29:48,121 INFO L128 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2025-04-25 10:29:48,134 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 10:29:48,136 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 10:29:48,137 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 10:29:48,186 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 10:29:48,225 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 10:29:48,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 10:29:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:29:48,229 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 10:29:48,230 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 10:29:48,288 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 10:29:48,301 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 10:29:48,306 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;@19bb860b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 10:29:48,306 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 10:29:48,370 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 10:29:48,370 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:48,371 INFO L139 ounterexampleChecker]: Examining path program with hash 2005930966, occurence #1 [2025-04-25 10:29:48,371 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:48,371 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:48,375 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:48,375 INFO L85 PathProgramCache]: Analyzing trace with hash -639917213, now seen corresponding path program 1 times [2025-04-25 10:29:48,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:48,383 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256212098] [2025-04-25 10:29:48,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:29:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:48,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-25 10:29:48,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-25 10:29:48,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:29:48,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:48,581 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 10:29:48,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:48,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256212098] [2025-04-25 10:29:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256212098] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 10:29:48,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 10:29:48,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 10:29:48,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112305316] [2025-04-25 10:29:48,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 10:29:48,589 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 10:29:48,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:48,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 10:29:48,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 10:29:48,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,627 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:48,629 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 10:29:48,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:48,674 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 10:29:48,674 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 10:29:48,674 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:48,674 INFO L139 ounterexampleChecker]: Examining path program with hash -976497820, occurence #1 [2025-04-25 10:29:48,674 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:48,674 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:48,675 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash 125938849, now seen corresponding path program 1 times [2025-04-25 10:29:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:48,675 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541396671] [2025-04-25 10:29:48,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:29:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:48,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 10:29:48,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 10:29:48,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:29:48,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:48,773 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 10:29:48,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:48,774 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541396671] [2025-04-25 10:29:48,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541396671] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 10:29:48,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 10:29:48,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 10:29:48,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903211963] [2025-04-25 10:29:48,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 10:29:48,775 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 10:29:48,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:48,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 10:29:48,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-25 10:29:48,776 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,776 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:48,776 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 10:29:48,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:48,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,875 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:48,875 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:48,879 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 10:29:48,879 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 10:29:48,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:48,879 INFO L139 ounterexampleChecker]: Examining path program with hash 2044170120, occurence #1 [2025-04-25 10:29:48,879 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:48,879 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:48,880 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:48,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1484983773, now seen corresponding path program 1 times [2025-04-25 10:29:48,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:48,880 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214975444] [2025-04-25 10:29:48,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:29:48,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:48,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 10:29:48,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 10:29:48,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:29:48,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:48,942 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 10:29:48,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:48,942 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214975444] [2025-04-25 10:29:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214975444] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 10:29:48,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 10:29:48,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 10:29:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849659347] [2025-04-25 10:29:48,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 10:29:48,943 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 10:29:48,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:48,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 10:29:48,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 10:29:48,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,943 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:48,943 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 10:29:48,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:48,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:48,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:48,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:48,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:48,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:48,995 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 10:29:48,995 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 10:29:48,995 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:48,995 INFO L139 ounterexampleChecker]: Examining path program with hash 662202670, occurence #1 [2025-04-25 10:29:48,995 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:48,995 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:48,995 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:48,995 INFO L85 PathProgramCache]: Analyzing trace with hash -863276901, now seen corresponding path program 1 times [2025-04-25 10:29:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:48,996 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527263100] [2025-04-25 10:29:48,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:29:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:49,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 10:29:49,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 10:29:49,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:29:49,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:49,450 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 10:29:49,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:49,451 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527263100] [2025-04-25 10:29:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527263100] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 10:29:49,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 10:29:49,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 10:29:49,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327285627] [2025-04-25 10:29:49,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 10:29:49,452 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 10:29:49,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:49,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 10:29:49,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-04-25 10:29:49,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:49,453 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:49,453 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 10:29:49,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:49,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:49,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:49,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:49,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:49,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:49,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:49,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:49,664 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 10:29:49,665 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 10:29:49,665 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:49,665 INFO L139 ounterexampleChecker]: Examining path program with hash 1974741180, occurence #1 [2025-04-25 10:29:49,665 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:49,665 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:49,665 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash 225643481, now seen corresponding path program 2 times [2025-04-25 10:29:49,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:49,665 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360157715] [2025-04-25 10:29:49,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 10:29:49,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:49,673 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-04-25 10:29:49,677 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 10:29:49,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:29:49,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:49,746 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 10:29:49,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:49,747 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360157715] [2025-04-25 10:29:49,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360157715] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 10:29:49,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 10:29:49,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 10:29:49,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704732829] [2025-04-25 10:29:49,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 10:29:49,747 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 10:29:49,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:49,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 10:29:49,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-25 10:29:49,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:49,748 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:49,748 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 10:29:49,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:49,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:49,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:49,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:49,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:49,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:49,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:49,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:49,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:49,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:29:49,872 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 10:29:49,872 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 10:29:49,872 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:49,872 INFO L139 ounterexampleChecker]: Examining path program with hash -1567298499, occurence #1 [2025-04-25 10:29:49,873 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:49,873 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:49,873 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:49,873 INFO L85 PathProgramCache]: Analyzing trace with hash 975672665, now seen corresponding path program 3 times [2025-04-25 10:29:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:49,874 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338716471] [2025-04-25 10:29:49,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 10:29:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:49,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 10:29:49,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 10:29:49,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 10:29:49,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:49,969 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 10:29:49,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:49,970 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338716471] [2025-04-25 10:29:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338716471] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:29:49,970 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561596917] [2025-04-25 10:29:49,970 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 10:29:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:29:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:29:49,972 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 10:29:49,974 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 10:29:49,995 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 10:29:50,001 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 10:29:50,001 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 10:29:50,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:50,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-25 10:29:50,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:29:50,069 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 10:29:50,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:29:50,159 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 10:29:50,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561596917] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:29:50,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:29:50,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-04-25 10:29:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813130101] [2025-04-25 10:29:50,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:29:50,160 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 10:29:50,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:50,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 10:29:50,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-04-25 10:29:50,162 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:50,162 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:50,162 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 10:29:50,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:50,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:50,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:50,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:50,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:29:50,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:50,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:50,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:50,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:50,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:50,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:29:50,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 10:29:50,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-25 10:29:50,574 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 10:29:50,574 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 10:29:50,574 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:50,574 INFO L139 ounterexampleChecker]: Examining path program with hash -2005995350, occurence #1 [2025-04-25 10:29:50,575 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:29:50,575 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:50,575 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash -684979945, now seen corresponding path program 4 times [2025-04-25 10:29:50,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:50,575 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132657768] [2025-04-25 10:29:50,575 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 10:29:50,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:50,582 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 10:29:50,596 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 10:29:50,597 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 10:29:50,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:51,245 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 10:29:51,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:51,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132657768] [2025-04-25 10:29:51,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132657768] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:29:51,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5094639] [2025-04-25 10:29:51,245 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 10:29:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:29:51,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:29:51,248 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 10:29:51,249 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 10:29:51,269 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 10:29:51,277 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 10:29:51,278 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 10:29:51,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:51,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 10:29:51,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:29:51,802 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 10:29:51,936 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 10:29:51,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:29:52,564 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:29:52,565 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 10:29:53,463 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 10:29:53,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5094639] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:29:53,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:29:53,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24 [2025-04-25 10:29:53,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398361687] [2025-04-25 10:29:53,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:29:53,464 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-25 10:29:53,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:29:53,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-25 10:29:53,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2025-04-25 10:29:53,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:53,465 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:29:53,465 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 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 10:29:53,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:29:54,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 10:29:54,471 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-25 10:29:54,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-25 10:29:54,673 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 10:29:54,673 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 10:29:54,673 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:29:54,673 INFO L139 ounterexampleChecker]: Examining path program with hash -2005995350, occurence #2 [2025-04-25 10:29:54,673 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-25 10:29:54,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-25 10:29:54,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-25 10:29:54,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-25 10:29:54,674 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-25 10:29:54,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-25 10:29:54,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-25 10:29:54,674 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-25 10:29:54,674 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:29:54,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:29:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -733847537, now seen corresponding path program 5 times [2025-04-25 10:29:54,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:29:54,675 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694407685] [2025-04-25 10:29:54,675 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 10:29:54,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:29:54,679 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 10:29:54,726 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 10:29:54,726 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 10:29:54,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:55,491 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 10:29:55,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:29:55,491 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694407685] [2025-04-25 10:29:55,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694407685] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:29:55,492 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46486991] [2025-04-25 10:29:55,492 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 10:29:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:29:55,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:29:55,497 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 10:29:55,503 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 10:29:55,526 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 10:29:55,546 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 10:29:55,546 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 10:29:55,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:29:55,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-25 10:29:55,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:29:57,552 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 10:29:57,920 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 10:29:57,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:30:16,879 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:30:16,880 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 10:31:21,481 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 10:31:21,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46486991] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:31:21,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:31:21,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 32 [2025-04-25 10:31:21,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079288836] [2025-04-25 10:31:21,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:31:21,482 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-25 10:31:21,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:31:21,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-25 10:31:21,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2025-04-25 10:31:21,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:21,483 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:31:21,483 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 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:21,483 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 10:31:21,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-25 10:31:21,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:35,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:35,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-25 10:31:35,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-25 10:31:35,496 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 10:31:35,497 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 10:31:35,497 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:31:35,497 INFO L139 ounterexampleChecker]: Examining path program with hash -1426239127, occurence #1 [2025-04-25 10:31:35,497 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:31:35,497 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:31:35,497 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:31:35,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1372073571, now seen corresponding path program 1 times [2025-04-25 10:31:35,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:31:35,498 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123322793] [2025-04-25 10:31:35,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:31:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:31:35,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 10:31:35,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 10:31:35,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:31:35,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:35,539 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 10:31:35,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:31:35,540 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123322793] [2025-04-25 10:31:35,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123322793] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:31:35,540 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384502249] [2025-04-25 10:31:35,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 10:31:35,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:31:35,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:31:35,542 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 10:31:35,544 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 10:31:35,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 10:31:35,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 10:31:35,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:31:35,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:35,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 10:31:35,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:31:35,617 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 10:31:35,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:31:35,661 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 10:31:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384502249] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:31:35,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:31:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-04-25 10:31:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096592220] [2025-04-25 10:31:35,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:31:35,662 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-25 10:31:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:31:35,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-25 10:31:35,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-04-25 10:31:35,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:35,662 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:31:35,663 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 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-25 10:31:35,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:36,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:36,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:36,372 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 10:31:36,373 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:31:36,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-25 10:31:36,578 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 10:31:36,578 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 10:31:36,578 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:31:36,579 INFO L139 ounterexampleChecker]: Examining path program with hash -1342551116, occurence #1 [2025-04-25 10:31:36,579 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:31:36,579 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:31:36,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:31:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1745642967, now seen corresponding path program 2 times [2025-04-25 10:31:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:31:36,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187119511] [2025-04-25 10:31:36,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 10:31:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:31:36,583 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 10:31:36,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 10:31:36,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:31:36,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:36,992 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 10:31:36,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:31:36,992 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187119511] [2025-04-25 10:31:36,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187119511] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:31:36,992 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782474519] [2025-04-25 10:31:36,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 10:31:36,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:31:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:31:36,995 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 10:31:36,996 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 10:31:37,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 10:31:37,024 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 10:31:37,024 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:31:37,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:37,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 10:31:37,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:31:37,648 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:31:37,648 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 10:31:42,412 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 10:31:42,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:31:43,046 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 10:31:43,064 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:31:43,064 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 10:31:43,842 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 10:31:43,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782474519] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:31:43,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:31:43,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2025-04-25 10:31:43,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995551481] [2025-04-25 10:31:43,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:31:43,843 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-25 10:31:43,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:31:43,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-25 10:31:43,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2025-04-25 10:31:43,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:43,844 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:31:43,844 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 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:31:43,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:47,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:47,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:31:47,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:31:47,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 10:31:47,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-25 10:31:48,093 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 10:31:48,093 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 10:31:48,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:31:48,093 INFO L139 ounterexampleChecker]: Examining path program with hash -2131239320, occurence #1 [2025-04-25 10:31:48,093 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:31:48,093 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:31:48,094 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:31:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1116430507, now seen corresponding path program 3 times [2025-04-25 10:31:48,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:31:48,094 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564076107] [2025-04-25 10:31:48,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 10:31:48,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:31:48,096 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 10:31:48,104 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 10:31:48,104 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 10:31:48,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:48,193 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 10:31:48,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:31:48,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564076107] [2025-04-25 10:31:48,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564076107] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:31:48,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587913207] [2025-04-25 10:31:48,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 10:31:48,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:31:48,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:31:48,198 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 10:31:48,211 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 10:31:48,238 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 10:31:48,251 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 10:31:48,251 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 10:31:48,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:48,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-25 10:31:48,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:31:48,353 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 10:31:48,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:31:48,470 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 10:31:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587913207] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:31:48,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:31:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-04-25 10:31:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615361867] [2025-04-25 10:31:48,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:31:48,471 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-25 10:31:48,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:31:48,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-25 10:31:48,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2025-04-25 10:31:48,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:48,472 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:31:48,472 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 10:31:48,472 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:48,472 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:48,472 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:48,472 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:48,472 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 10:31:48,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 10:31:49,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:31:49,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-25 10:31:49,370 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 10:31:49,370 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 10:31:49,370 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:31:49,370 INFO L139 ounterexampleChecker]: Examining path program with hash -659052439, occurence #1 [2025-04-25 10:31:49,370 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:31:49,370 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:31:49,371 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:31:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash 888168531, now seen corresponding path program 4 times [2025-04-25 10:31:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:31:49,371 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651458298] [2025-04-25 10:31:49,371 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 10:31:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:31:49,373 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 10:31:49,383 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 10:31:49,383 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 10:31:49,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:49,896 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 10:31:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:31:49,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651458298] [2025-04-25 10:31:49,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651458298] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:31:49,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164086075] [2025-04-25 10:31:49,896 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 10:31:49,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:31:49,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:31:49,898 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 10:31:49,899 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 10:31:49,919 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 10:31:49,928 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 10:31:49,929 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 10:31:49,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:31:49,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 10:31:49,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:31:50,896 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 10:31:51,100 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 10:31:51,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:31:54,607 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:31:54,607 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 10:32:21,407 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 10:32:21,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164086075] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:32:21,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:32:21,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2025-04-25 10:32:21,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627257118] [2025-04-25 10:32:21,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:32:21,408 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-25 10:32:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:32:21,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-25 10:32:21,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2025-04-25 10:32:21,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:21,409 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:32:21,409 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 10:32:21,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:21,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:21,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:21,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:21,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:21,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:26,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 10:32:26,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:26,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-25 10:32:26,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-25 10:32:26,600 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 10:32:26,600 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 10:32:26,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:32:26,600 INFO L139 ounterexampleChecker]: Examining path program with hash -1447740643, occurence #1 [2025-04-25 10:32:26,600 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:32:26,600 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:32:26,601 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:32:26,601 INFO L85 PathProgramCache]: Analyzing trace with hash -515642671, now seen corresponding path program 5 times [2025-04-25 10:32:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:32:26,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371223268] [2025-04-25 10:32:26,601 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 10:32:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:32:26,603 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 10:32:26,606 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 10:32:26,606 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:32:26,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:26,676 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 10:32:26,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:32:26,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371223268] [2025-04-25 10:32:26,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371223268] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:32:26,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670566420] [2025-04-25 10:32:26,676 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 10:32:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:32:26,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:32:26,678 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 10:32:26,679 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 10:32:26,697 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 10:32:26,704 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 10:32:26,704 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:32:26,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:26,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 10:32:26,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:32:26,787 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 10:32:26,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:32:26,889 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 10:32:26,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670566420] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:32:26,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:32:26,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-04-25 10:32:26,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058276372] [2025-04-25 10:32:26,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:32:26,890 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-25 10:32:26,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:32:26,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-25 10:32:26,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-04-25 10:32:26,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:26,891 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:32:26,891 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 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-25 10:32:26,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 10:32:30,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 10:32:30,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-25 10:32:30,847 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 10:32:30,847 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 10:32:30,847 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:32:30,847 INFO L139 ounterexampleChecker]: Examining path program with hash 361935845, occurence #1 [2025-04-25 10:32:30,847 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:32:30,847 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:32:30,848 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:32:30,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1981908781, now seen corresponding path program 6 times [2025-04-25 10:32:30,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:32:30,848 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969180542] [2025-04-25 10:32:30,848 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 10:32:30,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:32:30,850 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 10:32:30,858 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 10:32:30,858 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 10:32:30,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:31,550 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 10:32:31,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:32:31,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969180542] [2025-04-25 10:32:31,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969180542] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:32:31,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420065694] [2025-04-25 10:32:31,551 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 10:32:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:32:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:32:31,553 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 10:32:31,557 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 10:32:31,572 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 10:32:31,583 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 10:32:31,583 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 10:32:31,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:31,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 10:32:31,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:32:32,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:32:32,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:32:32,727 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:32:32,728 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 10:32:33,283 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 10:32:33,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:32:35,623 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 10:32:35,665 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:32:35,666 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 10:32:53,920 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 10:32:53,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420065694] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:32:53,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:32:53,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2025-04-25 10:32:53,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795081711] [2025-04-25 10:32:53,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:32:53,920 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-25 10:32:53,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:32:53,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-25 10:32:53,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2025-04-25 10:32:53,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:53,921 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:32:53,921 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 10:32:53,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:53,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:53,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:53,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 10:32:53,922 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 10:32:57,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:57,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-25 10:32:57,590 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 10:32:57,590 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 10:32:57,590 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:32:57,590 INFO L139 ounterexampleChecker]: Examining path program with hash -426752359, occurence #1 [2025-04-25 10:32:57,590 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:32:57,590 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:32:57,590 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:32:57,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1290935471, now seen corresponding path program 7 times [2025-04-25 10:32:57,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:32:57,590 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457665506] [2025-04-25 10:32:57,590 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 10:32:57,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:32:57,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 10:32:57,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 10:32:57,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:32:57,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:57,659 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 10:32:57,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:32:57,659 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457665506] [2025-04-25 10:32:57,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457665506] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:32:57,659 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916709157] [2025-04-25 10:32:57,659 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 10:32:57,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:32:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:32:57,662 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 10:32:57,663 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 10:32:57,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 10:32:57,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 10:32:57,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 10:32:57,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:32:57,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 10:32:57,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:32:57,803 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 10:32:57,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 10:32:57,947 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 10:32:57,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916709157] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 10:32:57,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 10:32:57,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2025-04-25 10:32:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453406087] [2025-04-25 10:32:57,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 10:32:57,948 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-25 10:32:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 10:32:57,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-25 10:32:57,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-04-25 10:32:57,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:57,949 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 10:32:57,949 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 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:57,949 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 10:32:59,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 10:32:59,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 10:32:59,384 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 10:32:59,579 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 10:32:59,579 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 10:32:59,579 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 10:32:59,579 INFO L139 ounterexampleChecker]: Examining path program with hash 590035375, occurence #1 [2025-04-25 10:32:59,579 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 10:32:59,579 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 10:32:59,580 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 10:32:59,580 INFO L85 PathProgramCache]: Analyzing trace with hash -877726517, now seen corresponding path program 8 times [2025-04-25 10:32:59,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 10:32:59,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239326257] [2025-04-25 10:32:59,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 10:32:59,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 10:32:59,582 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 10:32:59,602 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 10:32:59,602 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:32:59,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:33:01,217 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 10:33:01,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 10:33:01,217 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239326257] [2025-04-25 10:33:01,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239326257] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 10:33:01,217 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584011841] [2025-04-25 10:33:01,217 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 10:33:01,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 10:33:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 10:33:01,219 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 10:33:01,220 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 10:33:01,236 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 10:33:01,249 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 10:33:01,250 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 10:33:01,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 10:33:01,250 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-25 10:33:01,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 10:33:08,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:33:08,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:33:08,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:33:08,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 10:33:22,935 WARN L286 SmtUtils]: Spent 14.31s 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 10:33:22,936 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 10:33:22,937 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 10:35:40,572 WARN L656 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. Received shutdown request... [2025-04-25 10:44:10,997 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 10:44:11,008 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 10:44:11,012 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 10:44:12,013 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 10:44:12,024 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 10:44:12,213 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-04-25 10:44:12,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2025-04-25 10:44:12,505 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-04-25 10:44:12,506 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-04-25 10:44:12,506 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 65 xjuncts wrt. a ∧-8379-72-3-3-3-6-3-5-2-1 context. [2025-04-25 10:44:12,507 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-25 10:44:12,507 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-25 10:44:12,507 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-25 10:44:12,513 INFO L422 BasicCegarLoop]: Path program histogram: [8, 5, 1, 1, 1] [2025-04-25 10:44:12,515 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 10:44:12,515 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 10:44:12,518 INFO L201 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 10:44:12 BasicIcfg [2025-04-25 10:44:12,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 10:44:12,518 INFO L158 Benchmark]: Toolchain (without parser) took 864716.17ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 103.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-04-25 10:44:12,518 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 10:44:12,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.51ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 10:44:12,522 INFO L158 Benchmark]: Boogie Preprocessor took 25.83ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 10:44:12,522 INFO L158 Benchmark]: RCFGBuilder took 229.05ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 89.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 10:44:12,523 INFO L158 Benchmark]: TraceAbstraction took 864403.26ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 89.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2025-04-25 10:44:12,523 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.51ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.83ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 229.05ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 89.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 864403.26ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 89.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). 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: 16, independent: 16, independent conditional: 0, independent unconditional: 16, 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: 0.1s, 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: 16, independent: 16, independent conditional: 0, independent unconditional: 16, 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 65 xjuncts wrt. a ∧-8379-72-3-3-3-6-3-5-2-1 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 65 xjuncts wrt. a ∧-8379-72-3-3-3-6-3-5-2-1 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 65 xjuncts wrt. a ∧-8379-72-3-3-3-6-3-5-2-1 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 65 xjuncts wrt. a ∧-8379-72-3-3-3-6-3-5-2-1 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: 864.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 34.7s, 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, 0.3s SatisfiabilityAnalysisTime, 153.8s 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