/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 NONE -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/chl/nzb-file-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 07:03:59,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 07:03:59,111 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 07:03:59,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 07:03:59,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 07:03:59,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 07:03:59,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 07:03:59,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 07:03:59,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 07:03:59,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 07:03:59,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 07:03:59,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 07:03:59,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 07:03:59,137 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 07:03:59,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:03:59,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:03:59,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 07:03:59,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 07:03:59,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 07:03:59,139 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 07:03:59,139 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 07:03:59,139 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 -> NONE 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 07:03:59,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 07:03:59,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 07:03:59,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 07:03:59,370 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 07:03:59,372 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 07:03:59,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl [2025-04-25 07:03:59,373 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl' [2025-04-25 07:03:59,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 07:03:59,398 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 07:03:59,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 07:03:59,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 07:03:59,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 07:03:59,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,439 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 07:03:59,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 07:03:59,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 07:03:59,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 07:03:59,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 07:03:59,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 07:03:59,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 07:03:59,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 07:03:59,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 07:03:59,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/1) ... [2025-04-25 07:03:59,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:03:59,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:03:59,498 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 07:03:59,503 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 07:03:59,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 07:03:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 07:03:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 07:03:59,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 07:03:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 07:03:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 07:03:59,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 07:03:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 07:03:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 07:03:59,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 07:03:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 07:03:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 07:03:59,525 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 07:03:59,567 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 07:03:59,568 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 07:03:59,696 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 07:03:59,696 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 07:03:59,783 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 07:03:59,783 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-25 07:03:59,784 INFO L201 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 07:03:59 BoogieIcfgContainer [2025-04-25 07:03:59,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 07:03:59,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 07:03:59,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 07:03:59,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 07:03:59,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:03:59" (1/2) ... [2025-04-25 07:03:59,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2239aa40 and model type nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 07:03:59, skipping insertion in model container [2025-04-25 07:03:59,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 07:03:59" (2/2) ... [2025-04-25 07:03:59,791 INFO L128 eAbstractionObserver]: Analyzing ICFG nzb-file-trans.wvr.bpl [2025-04-25 07:03:59,801 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 07:03:59,802 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nzb-file-trans.wvr.bpl that has 4 procedures, 23 locations, 25 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 07:03:59,803 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 07:03:59,850 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 07:03:59,885 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 07:03:59,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 07:03:59,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:03:59,887 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 07:03:59,889 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 07:03:59,942 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 07:03:59,952 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 07:03:59,958 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;@3476313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 07:03:59,960 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 07:04:00,017 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 07:04:00,022 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1707108587, now seen corresponding path program 1 times [2025-04-25 07:04:00,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:00,029 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155637635] [2025-04-25 07:04:00,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:00,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-25 07:04:00,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-25 07:04:00,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:00,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:00,517 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 07:04:00,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:00,518 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155637635] [2025-04-25 07:04:00,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155637635] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:00,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:00,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 07:04:00,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51484692] [2025-04-25 07:04:00,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:00,524 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 07:04:00,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:00,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 07:04:00,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-25 07:04:00,551 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,553 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:00,554 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 07:04:00,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,710 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 07:04:00,710 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 07:04:00,711 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:00,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1410020979, now seen corresponding path program 1 times [2025-04-25 07:04:00,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:00,711 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412257780] [2025-04-25 07:04:00,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:00,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 07:04:00,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 07:04:00,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:00,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:00,741 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 07:04:00,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:00,742 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412257780] [2025-04-25 07:04:00,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412257780] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:00,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:00,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 07:04:00,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686813511] [2025-04-25 07:04:00,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:00,743 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 07:04:00,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:00,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 07:04:00,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 07:04:00,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,743 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:00,744 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 07:04:00,744 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,744 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,768 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,768 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 07:04:00,768 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 07:04:00,768 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash 790239723, now seen corresponding path program 1 times [2025-04-25 07:04:00,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:00,768 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051780733] [2025-04-25 07:04:00,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:00,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:00,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 07:04:00,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 07:04:00,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:00,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:00,854 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 07:04:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:00,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051780733] [2025-04-25 07:04:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051780733] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:00,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:00,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 07:04:00,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269903579] [2025-04-25 07:04:00,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:00,855 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 07:04:00,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:00,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 07:04:00,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 07:04:00,855 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,855 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:00,856 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 07:04:00,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,934 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 07:04:00,934 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 07:04:00,934 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:00,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1530988680, now seen corresponding path program 1 times [2025-04-25 07:04:00,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:00,934 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410642267] [2025-04-25 07:04:00,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:00,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 07:04:00,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 07:04:00,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:00,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:00,965 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 07:04:00,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:00,965 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410642267] [2025-04-25 07:04:00,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410642267] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:00,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:00,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 07:04:00,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653312990] [2025-04-25 07:04:00,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:00,966 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 07:04:00,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:00,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 07:04:00,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 07:04:00,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,966 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:00,966 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 07:04:00,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:00,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:00,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:00,996 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 07:04:00,996 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 07:04:00,997 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:00,997 INFO L85 PathProgramCache]: Analyzing trace with hash 686278765, now seen corresponding path program 1 times [2025-04-25 07:04:00,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:00,997 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349074388] [2025-04-25 07:04:00,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:00,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:01,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 07:04:01,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 07:04:01,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:01,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:01,041 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 07:04:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:01,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349074388] [2025-04-25 07:04:01,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349074388] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:01,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:01,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 07:04:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595117807] [2025-04-25 07:04:01,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:01,041 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 07:04:01,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:01,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 07:04:01,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 07:04:01,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,042 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:01,042 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 07:04:01,042 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,042 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,042 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,042 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,042 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,182 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 07:04:01,182 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 07:04:01,183 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash -570130217, now seen corresponding path program 1 times [2025-04-25 07:04:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:01,183 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636840288] [2025-04-25 07:04:01,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:01,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 07:04:01,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 07:04:01,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:01,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:01,213 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 07:04:01,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:01,214 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636840288] [2025-04-25 07:04:01,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636840288] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:01,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:01,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 07:04:01,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385708142] [2025-04-25 07:04:01,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:01,214 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 07:04:01,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:01,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 07:04:01,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 07:04:01,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,215 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:01,215 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,269 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-25 07:04:01,269 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 07:04:01,269 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1591276655, now seen corresponding path program 1 times [2025-04-25 07:04:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:01,269 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000406017] [2025-04-25 07:04:01,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:01,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 07:04:01,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 07:04:01,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:01,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:01,311 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 07:04:01,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:01,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000406017] [2025-04-25 07:04:01,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000406017] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:01,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:01,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 07:04:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079237297] [2025-04-25 07:04:01,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:01,312 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 07:04:01,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:01,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 07:04:01,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 07:04:01,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,312 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:01,312 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,312 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:01,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:01,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:01,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:01,450 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-25 07:04:01,450 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 07:04:01,450 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:01,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1082217421, now seen corresponding path program 1 times [2025-04-25 07:04:01,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:01,451 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547195284] [2025-04-25 07:04:01,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:01,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:01,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 07:04:01,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 07:04:01,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:01,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:01,819 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 07:04:01,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:01,819 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547195284] [2025-04-25 07:04:01,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547195284] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:01,819 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558952005] [2025-04-25 07:04:01,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:04:01,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:01,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:01,822 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 07:04:01,823 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 07:04:01,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 07:04:01,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 07:04:01,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:01,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:01,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-25 07:04:01,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:02,127 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 176 [2025-04-25 07:04:02,506 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 218 [2025-04-25 07:04:02,513 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 212 [2025-04-25 07:04:02,873 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 07:04:02,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:03,203 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 205 [2025-04-25 07:04:03,537 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 242 [2025-04-25 07:04:03,552 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:03,553 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 227 [2025-04-25 07:04:03,854 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 07:04:03,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558952005] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:03,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:03,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-04-25 07:04:03,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605120776] [2025-04-25 07:04:03,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:03,855 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-25 07:04:03,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:03,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-25 07:04:03,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2025-04-25 07:04:03,855 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:03,855 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:03,856 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:03,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:04,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:04,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:04,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-25 07:04:04,729 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,SelfDestructingSolverStorable7 [2025-04-25 07:04:04,729 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 07:04:04,729 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:04,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1583396947, now seen corresponding path program 2 times [2025-04-25 07:04:04,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:04,729 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089891202] [2025-04-25 07:04:04,730 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 07:04:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:04,739 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-04-25 07:04:04,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 07:04:04,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 07:04:04,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 07:04:04,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:04,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089891202] [2025-04-25 07:04:04,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089891202] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:04,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084664654] [2025-04-25 07:04:04,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 07:04:04,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:04,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:04,950 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 07:04:04,951 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 07:04:04,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-04-25 07:04:04,990 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 07:04:04,990 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 07:04:04,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:04,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-25 07:04:04,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:05,060 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 129 [2025-04-25 07:04:05,166 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2025-04-25 07:04:05,169 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2025-04-25 07:04:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 07:04:05,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:05,305 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2025-04-25 07:04:05,401 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:05,401 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 171 [2025-04-25 07:04:05,409 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 146 [2025-04-25 07:04:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 07:04:05,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084664654] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:05,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:05,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-04-25 07:04:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392175784] [2025-04-25 07:04:05,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:05,571 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-25 07:04:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:05,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-25 07:04:05,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-04-25 07:04:05,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:05,571 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:05,571 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:05,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:05,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:05,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:05,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:05,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 07:04:06,054 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:06,055 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 07:04:06,055 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:06,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1186973749, now seen corresponding path program 3 times [2025-04-25 07:04:06,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:06,055 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159445056] [2025-04-25 07:04:06,055 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 07:04:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:06,059 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 21 statements into 2 equivalence classes. [2025-04-25 07:04:06,066 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-25 07:04:06,066 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 07:04:06,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:06,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:06,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159445056] [2025-04-25 07:04:06,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159445056] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:06,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309627906] [2025-04-25 07:04:06,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 07:04:06,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:06,194 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 07:04:06,195 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 07:04:06,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 21 statements into 2 equivalence classes. [2025-04-25 07:04:06,234 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-25 07:04:06,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 07:04:06,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:06,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-25 07:04:06,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:06,248 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2025-04-25 07:04:06,361 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 229 [2025-04-25 07:04:06,365 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 199 [2025-04-25 07:04:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:06,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:06,629 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 183 [2025-04-25 07:04:06,814 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:06,814 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2025-04-25 07:04:06,825 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2025-04-25 07:04:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:06,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309627906] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:06,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:06,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-04-25 07:04:06,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016961708] [2025-04-25 07:04:06,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:06,839 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-25 07:04:06,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:06,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-25 07:04:06,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-04-25 07:04:06,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:06,839 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:06,839 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 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 07:04:06,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:06,839 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:06,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:07,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:07,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:07,036 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 07:04:07,231 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:07,231 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 07:04:07,231 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:07,231 INFO L85 PathProgramCache]: Analyzing trace with hash -712927127, now seen corresponding path program 4 times [2025-04-25 07:04:07,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:07,231 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469003915] [2025-04-25 07:04:07,231 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 07:04:07,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:07,237 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 22 statements into 2 equivalence classes. [2025-04-25 07:04:07,248 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 07:04:07,248 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 07:04:07,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:07,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:07,519 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469003915] [2025-04-25 07:04:07,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469003915] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:07,520 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127971398] [2025-04-25 07:04:07,520 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 07:04:07,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:07,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:07,523 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 07:04:07,524 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 07:04:07,556 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 22 statements into 2 equivalence classes. [2025-04-25 07:04:07,567 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 07:04:07,567 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 07:04:07,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:07,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-25 07:04:07,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:07,646 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2025-04-25 07:04:07,692 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2025-04-25 07:04:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:07,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:07,804 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:07,804 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2025-04-25 07:04:07,855 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:07,855 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2025-04-25 07:04:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:07,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127971398] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:07,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:07,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-04-25 07:04:07,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481890308] [2025-04-25 07:04:07,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:07,879 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-25 07:04:07,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:07,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-25 07:04:07,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-04-25 07:04:07,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:07,880 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:07,880 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 22 states have internal predecessors, (46), 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 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:07,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:09,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:09,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:09,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-25 07:04:09,251 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,SelfDestructingSolverStorable10 [2025-04-25 07:04:09,251 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 07:04:09,251 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1546880624, now seen corresponding path program 5 times [2025-04-25 07:04:09,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:09,251 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407219288] [2025-04-25 07:04:09,251 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 07:04:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:09,257 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 24 statements into 3 equivalence classes. [2025-04-25 07:04:09,271 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 07:04:09,271 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 07:04:09,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 07:04:09,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:09,547 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407219288] [2025-04-25 07:04:09,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407219288] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:09,547 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117344197] [2025-04-25 07:04:09,547 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 07:04:09,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:09,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:09,549 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 07:04:09,550 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 07:04:09,583 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 24 statements into 3 equivalence classes. [2025-04-25 07:04:09,596 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 07:04:09,596 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 07:04:09,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:09,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-25 07:04:09,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:09,689 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 149 [2025-04-25 07:04:09,810 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2025-04-25 07:04:09,898 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 07:04:09,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:10,116 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:10,116 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 274 treesize of output 236 [2025-04-25 07:04:10,125 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 203 [2025-04-25 07:04:10,303 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 07:04:10,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117344197] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:10,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:10,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2025-04-25 07:04:10,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235615771] [2025-04-25 07:04:10,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:10,303 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-25 07:04:10,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:10,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-25 07:04:10,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2025-04-25 07:04:10,306 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:10,306 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:10,306 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.5384615384615383) internal successors, (66), 26 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 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:10,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:12,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:12,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:12,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:12,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:12,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:12,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:12,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-25 07:04:12,897 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,SelfDestructingSolverStorable11 [2025-04-25 07:04:12,897 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 07:04:12,898 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:12,898 INFO L85 PathProgramCache]: Analyzing trace with hash 456062387, now seen corresponding path program 6 times [2025-04-25 07:04:12,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:12,898 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732733631] [2025-04-25 07:04:12,898 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 07:04:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:12,903 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 25 statements into 3 equivalence classes. [2025-04-25 07:04:12,913 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 07:04:12,913 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 07:04:12,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:13,110 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 07:04:13,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:13,110 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732733631] [2025-04-25 07:04:13,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732733631] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:13,110 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410491246] [2025-04-25 07:04:13,110 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 07:04:13,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:13,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:13,112 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 07:04:13,114 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 07:04:13,144 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 25 statements into 3 equivalence classes. [2025-04-25 07:04:13,158 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 07:04:13,158 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 07:04:13,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:13,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 07:04:13,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:13,276 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2025-04-25 07:04:13,323 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2025-04-25 07:04:13,325 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2025-04-25 07:04:13,376 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 07:04:13,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:13,426 INFO L325 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-04-25 07:04:13,427 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7 treesize of output 3 [2025-04-25 07:04:13,461 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:13,462 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2025-04-25 07:04:13,468 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:13,468 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 36 [2025-04-25 07:04:13,563 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 07:04:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410491246] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:13,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:13,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 27 [2025-04-25 07:04:13,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438471157] [2025-04-25 07:04:13,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:13,564 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-25 07:04:13,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:13,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-25 07:04:13,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2025-04-25 07:04:13,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:13,565 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:13,565 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.0) internal successors, (54), 27 states have internal predecessors, (54), 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 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:13,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:15,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:15,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 07:04:15,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 07:04:15,755 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,SelfDestructingSolverStorable12 [2025-04-25 07:04:15,756 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 07:04:15,756 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:15,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1893593722, now seen corresponding path program 7 times [2025-04-25 07:04:15,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:15,756 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959883288] [2025-04-25 07:04:15,756 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 07:04:15,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:15,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 07:04:15,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 07:04:15,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:15,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:15,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:15,963 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959883288] [2025-04-25 07:04:15,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959883288] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:15,963 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165139010] [2025-04-25 07:04:15,963 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 07:04:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:15,965 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 07:04:15,965 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 07:04:15,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 07:04:16,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 07:04:16,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:16,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:16,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-25 07:04:16,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:16,032 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2025-04-25 07:04:16,103 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 141 [2025-04-25 07:04:16,106 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 131 [2025-04-25 07:04:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:16,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:16,359 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 171 [2025-04-25 07:04:16,463 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:16,464 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2025-04-25 07:04:16,468 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2025-04-25 07:04:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:16,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165139010] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:16,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:16,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 23 [2025-04-25 07:04:16,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710591032] [2025-04-25 07:04:16,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:16,510 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-25 07:04:16,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:16,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-25 07:04:16,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2025-04-25 07:04:16,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:16,511 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:16,511 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 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 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 07:04:16,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:17,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:17,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:17,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:17,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:17,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:17,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:17,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:17,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:17,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-25 07:04:17,604 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:17,605 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 07:04:17,605 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1891390035, now seen corresponding path program 8 times [2025-04-25 07:04:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:17,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925342432] [2025-04-25 07:04:17,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 07:04:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:17,609 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 07:04:17,617 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 07:04:17,617 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 07:04:17,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:17,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:17,938 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925342432] [2025-04-25 07:04:17,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925342432] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:17,938 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732455058] [2025-04-25 07:04:17,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 07:04:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:17,940 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 07:04:17,941 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 07:04:17,974 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 07:04:17,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 07:04:17,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 07:04:17,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:17,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-25 07:04:17,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:18,090 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 129 [2025-04-25 07:04:18,249 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 112 [2025-04-25 07:04:18,252 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 138 [2025-04-25 07:04:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:18,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:18,591 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 165 [2025-04-25 07:04:18,800 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 278 [2025-04-25 07:04:18,809 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:18,809 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 289 treesize of output 255 [2025-04-25 07:04:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:19,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732455058] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:19,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:19,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2025-04-25 07:04:19,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407461904] [2025-04-25 07:04:19,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:19,048 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-25 07:04:19,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:19,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-25 07:04:19,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2025-04-25 07:04:19,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:19,049 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:19,049 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 30 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 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:19,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:19,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:19,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:19,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:19,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:19,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-25 07:04:20,110 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-25 07:04:20,110 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 07:04:20,110 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:20,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1869836110, now seen corresponding path program 9 times [2025-04-25 07:04:20,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:20,110 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663242316] [2025-04-25 07:04:20,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 07:04:20,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:20,115 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 4 equivalence classes. [2025-04-25 07:04:20,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 27 of 27 statements. [2025-04-25 07:04:20,134 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 07:04:20,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:20,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:20,477 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663242316] [2025-04-25 07:04:20,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663242316] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:20,478 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155080844] [2025-04-25 07:04:20,478 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 07:04:20,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:20,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:20,480 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 07:04:20,481 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 07:04:20,516 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 4 equivalence classes. [2025-04-25 07:04:20,531 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 27 of 27 statements. [2025-04-25 07:04:20,532 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 07:04:20,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:20,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-25 07:04:20,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:20,707 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 147 [2025-04-25 07:04:20,802 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2025-04-25 07:04:20,805 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2025-04-25 07:04:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:20,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:20,986 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2025-04-25 07:04:21,069 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:21,069 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 166 [2025-04-25 07:04:21,076 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 141 [2025-04-25 07:04:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:21,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155080844] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:21,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:21,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 12] total 36 [2025-04-25 07:04:21,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139734669] [2025-04-25 07:04:21,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:21,283 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-25 07:04:21,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:21,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-25 07:04:21,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1140, Unknown=0, NotChecked=0, Total=1260 [2025-04-25 07:04:21,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:21,284 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:21,284 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0833333333333335) internal successors, (75), 36 states have internal predecessors, (75), 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 07:04:21,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:21,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:24,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:24,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:24,672 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 07:04:24,867 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,SelfDestructingSolverStorable15 [2025-04-25 07:04:24,867 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 07:04:24,867 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash -149035868, now seen corresponding path program 10 times [2025-04-25 07:04:24,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:24,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953082772] [2025-04-25 07:04:24,868 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 07:04:24,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:24,873 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 31 statements into 2 equivalence classes. [2025-04-25 07:04:24,880 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-04-25 07:04:24,880 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 07:04:24,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:25,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:25,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953082772] [2025-04-25 07:04:25,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953082772] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:25,262 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103562745] [2025-04-25 07:04:25,262 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 07:04:25,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:25,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:25,264 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 07:04:25,265 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 07:04:25,302 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 31 statements into 2 equivalence classes. [2025-04-25 07:04:25,322 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-04-25 07:04:25,322 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 07:04:25,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:25,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-25 07:04:25,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:25,502 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2025-04-25 07:04:25,540 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2025-04-25 07:04:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:25,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:25,655 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:25,655 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2025-04-25 07:04:25,711 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:25,711 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2025-04-25 07:04:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:25,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103562745] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:25,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:25,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 41 [2025-04-25 07:04:25,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729180233] [2025-04-25 07:04:25,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:25,812 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-25 07:04:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:25,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-25 07:04:25,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1487, Unknown=0, NotChecked=0, Total=1640 [2025-04-25 07:04:25,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:25,813 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:25,813 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 41 states have internal predecessors, (65), 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 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:28,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:28,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:28,182 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 07:04:28,380 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 07:04:28,380 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 07:04:28,380 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1735188595, now seen corresponding path program 11 times [2025-04-25 07:04:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:28,381 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522642791] [2025-04-25 07:04:28,381 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 07:04:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:28,387 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 6 equivalence classes. [2025-04-25 07:04:28,407 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 07:04:28,407 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-25 07:04:28,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:29,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:29,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522642791] [2025-04-25 07:04:29,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522642791] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 07:04:29,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403452086] [2025-04-25 07:04:29,138 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 07:04:29,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 07:04:29,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:04:29,140 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 07:04:29,141 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 07:04:29,178 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 6 equivalence classes. [2025-04-25 07:04:29,199 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 07:04:29,199 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-25 07:04:29,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:29,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-25 07:04:29,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 07:04:29,750 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 255 [2025-04-25 07:04:30,009 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 307 [2025-04-25 07:04:30,012 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 271 [2025-04-25 07:04:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:30,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 07:04:31,276 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:31,277 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 399 treesize of output 355 [2025-04-25 07:04:31,744 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:31,745 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 248 treesize of output 228 [2025-04-25 07:04:31,755 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 07:04:31,755 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 224 treesize of output 204 [2025-04-25 07:04:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:32,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403452086] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 07:04:32,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 07:04:32,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2025-04-25 07:04:32,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553952238] [2025-04-25 07:04:32,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 07:04:32,430 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-04-25 07:04:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:32,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-04-25 07:04:32,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=3425, Unknown=0, NotChecked=0, Total=3660 [2025-04-25 07:04:32,432 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:32,432 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:32,432 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 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 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:32,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:37,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 07:04:37,489 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 07:04:37,683 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 07:04:37,683 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 07:04:37,683 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1877853842, now seen corresponding path program 12 times [2025-04-25 07:04:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:37,684 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122583968] [2025-04-25 07:04:37,684 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 07:04:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:37,690 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 33 statements into 6 equivalence classes. [2025-04-25 07:04:37,713 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 07:04:37,713 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-25 07:04:37,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:37,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:37,764 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122583968] [2025-04-25 07:04:37,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122583968] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:37,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:37,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-25 07:04:37,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274204882] [2025-04-25 07:04:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:37,764 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 07:04:37,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:37,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 07:04:37,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-25 07:04:37,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:37,765 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:37,765 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 07:04:37,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 07:04:37,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:04:37,859 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-04-25 07:04:37,859 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 07:04:37,859 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:04:37,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1667752971, now seen corresponding path program 13 times [2025-04-25 07:04:37,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:04:37,859 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234671651] [2025-04-25 07:04:37,859 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 07:04:37,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:04:37,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-25 07:04:37,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 07:04:37,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:04:37,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:04:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 07:04:37,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:04:37,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234671651] [2025-04-25 07:04:37,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234671651] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:04:37,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:04:37,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-25 07:04:37,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525692914] [2025-04-25 07:04:37,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:04:37,919 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 07:04:37,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:04:37,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 07:04:37,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-25 07:04:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:37,920 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:04:37,920 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:04:37,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:04:38,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:04:38,132 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-04-25 07:04:38,133 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-25 07:04:38,133 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-25 07:04:38,133 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-25 07:04:38,133 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-04-25 07:04:38,138 INFO L422 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1, 1, 1] [2025-04-25 07:04:38,141 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 07:04:38,141 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 07:04:38,149 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 07:04:38,150 INFO L201 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 07:04:38 BasicIcfg [2025-04-25 07:04:38,150 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 07:04:38,151 INFO L158 Benchmark]: Toolchain (without parser) took 38752.36ms. Allocated memory was 167.8MB in the beginning and 604.0MB in the end (delta: 436.2MB). Free memory was 101.5MB in the beginning and 214.2MB in the end (delta: -112.7MB). Peak memory consumption was 318.9MB. Max. memory is 16.0GB. [2025-04-25 07:04:38,152 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 07:04:38,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.08ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 99.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 07:04:38,152 INFO L158 Benchmark]: Boogie Preprocessor took 33.59ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 972.0kB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 07:04:38,152 INFO L158 Benchmark]: RCFGBuilder took 308.75ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 76.4MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2025-04-25 07:04:38,153 INFO L158 Benchmark]: TraceAbstraction took 38364.14ms. Allocated memory was 167.8MB in the beginning and 604.0MB in the end (delta: 436.2MB). Free memory was 75.4MB in the beginning and 214.2MB in the end (delta: -138.8MB). Peak memory consumption was 293.8MB. Max. memory is 16.0GB. [2025-04-25 07:04:38,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.08ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 99.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 33.59ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 972.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 308.75ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 76.4MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 38364.14ms. Allocated memory was 167.8MB in the beginning and 604.0MB in the end (delta: 436.2MB). Free memory was 75.4MB in the beginning and 214.2MB in the end (delta: -138.8MB). Peak memory consumption was 293.8MB. 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: 14341, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 4417, dependent conditional: 4416, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 0, independent unconditional: 9924, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 0, independent unconditional: 9924, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 462, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 462, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9925, independent: 9463, independent conditional: 0, independent unconditional: 9463, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 462, unknown conditional: 0, unknown unconditional: 462] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 461, Positive conditional cache size: 0, Positive unconditional cache size: 461, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9463, Maximal queried relation: 0, Independence queries for same thread: 4416, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 109, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 462, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14341, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 4417, dependent conditional: 4416, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 9463, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 0, independent unconditional: 9924, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9925, independent: 9924, independent conditional: 0, independent unconditional: 9924, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 462, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 462, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 9925, independent: 9463, independent conditional: 0, independent unconditional: 9463, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 462, unknown conditional: 0, unknown unconditional: 462] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 461, Positive conditional cache size: 0, Positive unconditional cache size: 461, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9463, Maximal queried relation: 0, Independence queries for same thread: 4416 - PositiveResult [Line: 143]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 38 locations, 49 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 38.2s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 20.2s, 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: 586, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 8510 SizeOfPredicates, 136 NumberOfNonLiveVariables, 1410 ConjunctsInSsa, 277 ConjunctsInUnsatCore, 42 InterpolantComputations, 9 PerfectInterpolantSequences, 87/411 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: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-25 07:04:38,187 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 0 Received shutdown request...