/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 06:22:59,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 06:22:59,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 06:22:59,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 06:22:59,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 06:22:59,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 06:22:59,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 06:22:59,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 06:22:59,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 06:22:59,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 06:22:59,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 06:22:59,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 06:22:59,696 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 06:22:59,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 06:22:59,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 06:22:59,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 06:22:59,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 06:22:59,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 06:22:59,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 06:22:59,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 06:22:59,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 06:22:59,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 06:22:59,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 06:22:59,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 06:22:59,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 06:22:59,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 06:22:59,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 06:22:59,700 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 06:22:59,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 06:22:59,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 06:22:59,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 06:22:59,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 06:22:59,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 06:22:59,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 06:22:59,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 06:22:59,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 06:22:59,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 06:22:59,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 06:22:59,952 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 06:22:59,953 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 06:22:59,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl [2024-05-04 06:22:59,954 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl' [2024-05-04 06:23:00,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 06:23:00,021 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 06:23:00,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 06:23:00,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 06:23:00,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 06:23:00,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,050 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 06:23:00,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 06:23:00,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 06:23:00,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 06:23:00,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 06:23:00,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 06:23:00,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 06:23:00,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 06:23:00,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 06:23:00,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/1) ... [2024-05-04 06:23:00,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 06:23:00,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:00,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 06:23:00,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 06:23:00,152 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 06:23:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 06:23:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 06:23:00,153 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 06:23:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 06:23:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 06:23:00,153 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 06:23:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 06:23:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 06:23:00,154 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 06:23:00,200 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 06:23:00,202 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 06:23:00,337 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 06:23:00,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 06:23:00,357 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-04 06:23:00,358 INFO L201 PluginConnector]: Adding new model channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:23:00 BoogieIcfgContainer [2024-05-04 06:23:00,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 06:23:00,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 06:23:00,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 06:23:00,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 06:23:00,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 06:23:00" (1/2) ... [2024-05-04 06:23:00,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54984219 and model type channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:23:00, skipping insertion in model container [2024-05-04 06:23:00,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:23:00" (2/2) ... [2024-05-04 06:23:00,369 INFO L112 eAbstractionObserver]: Analyzing ICFG channel-sum.wvr.bpl [2024-05-04 06:23:00,376 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 06:23:00,385 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 06:23:00,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 06:23:00,386 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 06:23:00,427 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-04 06:23:00,469 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 06:23:00,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 06:23:00,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:00,478 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) [2024-05-04 06:23:00,483 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 [2024-05-04 06:23:00,532 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 06:23:00,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:00,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 06:23:00,566 INFO L357 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, mHoare=true, 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;@b986ec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 06:23:00,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-04 06:23:00,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:00,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash -865250458, now seen corresponding path program 1 times [2024-05-04 06:23:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644674200] [2024-05-04 06:23:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:00,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:00,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:00,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644674200] [2024-05-04 06:23:00,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644674200] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 06:23:00,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 06:23:00,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 06:23:00,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218761847] [2024-05-04 06:23:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 06:23:00,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 06:23:00,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:00,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 06:23:00,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 06:23:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:00,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:00,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:01,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:23:01,029 INFO L85 PathProgramCache]: Analyzing trace with hash -575843251, now seen corresponding path program 1 times [2024-05-04 06:23:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:01,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 06:23:01,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 06:23:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-05-04 06:23:01,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:01,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash 590749350, now seen corresponding path program 1 times [2024-05-04 06:23:01,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:01,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166809270] [2024-05-04 06:23:01,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 06:23:01,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166809270] [2024-05-04 06:23:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166809270] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 06:23:01,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 06:23:01,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 06:23:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583886922] [2024-05-04 06:23:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 06:23:01,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 06:23:01,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:01,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 06:23:01,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 06:23:01,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:01,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:01,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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) [2024-05-04 06:23:01,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:01,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-04 06:23:01,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:01,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1402715514, now seen corresponding path program 1 times [2024-05-04 06:23:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:01,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485363094] [2024-05-04 06:23:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:01,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485363094] [2024-05-04 06:23:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485363094] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:23:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408701061] [2024-05-04 06:23:01,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:01,440 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) [2024-05-04 06:23:01,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 06:23:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:01,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-04 06:23:01,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:23:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:01,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:23:01,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:23:01,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2024-05-04 06:23:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:01,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408701061] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:23:01,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:23:01,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-05-04 06:23:01,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512476005] [2024-05-04 06:23:01,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:23:01,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-04 06:23:01,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:01,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-04 06:23:01,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-04 06:23:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:01,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:01,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:02,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:23:02,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1055803091, now seen corresponding path program 1 times [2024-05-04 06:23:02,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 06:23:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:02,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-04 06:23:02,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-04 06:23:02,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:02,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:02,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1493824762, now seen corresponding path program 1 times [2024-05-04 06:23:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:02,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378412142] [2024-05-04 06:23:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:02,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 06:23:02,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:02,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378412142] [2024-05-04 06:23:02,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378412142] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 06:23:02,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 06:23:02,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 06:23:02,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933547820] [2024-05-04 06:23:02,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 06:23:02,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 06:23:02,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:02,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 06:23:02,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-04 06:23:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:02,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:02,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:02,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:02,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:02,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-04 06:23:02,562 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:02,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:02,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1887130150, now seen corresponding path program 2 times [2024-05-04 06:23:02,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:02,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934682786] [2024-05-04 06:23:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:23:02,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:02,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934682786] [2024-05-04 06:23:02,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934682786] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:23:02,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597423479] [2024-05-04 06:23:02,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 06:23:02,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:02,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:02,596 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) [2024-05-04 06:23:02,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 06:23:02,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 06:23:02,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:23:02,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-04 06:23:02,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:23:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:23:02,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:23:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:23:02,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597423479] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:23:02,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:23:02,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-05-04 06:23:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44011307] [2024-05-04 06:23:02,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:23:02,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 06:23:02,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:02,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 06:23:02,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 06:23:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:02,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:02,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:02,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 06:23:02,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:02,920 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:02,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1433197741, now seen corresponding path program 3 times [2024-05-04 06:23:02,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337141136] [2024-05-04 06:23:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:23:03,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:03,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337141136] [2024-05-04 06:23:03,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337141136] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:23:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162857007] [2024-05-04 06:23:03,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 06:23:03,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:03,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:03,195 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) [2024-05-04 06:23:03,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 06:23:03,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-04 06:23:03,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:23:03,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-04 06:23:03,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:23:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:23:03,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:23:03,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:23:03,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2024-05-04 06:23:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:23:03,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162857007] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:23:03,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:23:03,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-05-04 06:23:03,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430614238] [2024-05-04 06:23:03,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:23:03,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-04 06:23:03,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:03,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-04 06:23:03,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-05-04 06:23:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:03,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:03,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 20 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:03,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:23:03,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 06:23:04,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:04,122 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:04,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:04,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1309878739, now seen corresponding path program 4 times [2024-05-04 06:23:04,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:04,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585104694] [2024-05-04 06:23:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-04 06:23:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:04,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585104694] [2024-05-04 06:23:04,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585104694] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:23:04,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124884104] [2024-05-04 06:23:04,383 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 06:23:04,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:04,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:04,384 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) [2024-05-04 06:23:04,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 06:23:04,443 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 06:23:04,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:23:04,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-04 06:23:04,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:23:04,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:23:04,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 12 [2024-05-04 06:23:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:23:04,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:23:05,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:23:05,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2024-05-04 06:23:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:23:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124884104] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:23:05,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:23:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2024-05-04 06:23:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061855145] [2024-05-04 06:23:05,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:23:05,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-04 06:23:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:23:05,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-04 06:23:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2024-05-04 06:23:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:05,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:23:05,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 28 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:23:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:23:05,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:23:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1031268883, now seen corresponding path program 1 times [2024-05-04 06:23:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-04 06:23:06,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:06,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-04 06:23:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:23:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:23:06,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 06:23:06,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2024-05-04 06:23:06,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:23:06,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:23:06,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1744598829, now seen corresponding path program 5 times [2024-05-04 06:23:06,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:23:06,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966320283] [2024-05-04 06:23:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:23:06,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:23:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:23:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-04 06:23:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:23:07,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966320283] [2024-05-04 06:23:07,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966320283] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:23:07,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884239135] [2024-05-04 06:23:07,097 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 06:23:07,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:23:07,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:23:07,098 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) [2024-05-04 06:23:07,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 06:23:07,153 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-05-04 06:23:07,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:23:07,155 WARN L260 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-04 06:23:07,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:23:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,661 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 06:23:08,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 06:23:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 06:23:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,678 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 06:23:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 06:23:08,679 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 06:23:08,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 36 [2024-05-04 06:23:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 11 proven. 118 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:23:08,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:23:12,563 INFO L349 Elim1Store]: treesize reduction 83, result has 91.8 percent of original size [2024-05-04 06:23:12,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 10 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 126 case distinctions, treesize of input 131 treesize of output 1004 [2024-05-04 06:26:03,272 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:03,627 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:03,640 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:03,756 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:03,768 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:03,845 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:03,859 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:03,904 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:03,966 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,115 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,139 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,173 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,333 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,388 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:04,416 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,438 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,471 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,501 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,541 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:04,564 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,594 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:04,616 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,656 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,685 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,717 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,733 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,807 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:04,829 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:04,845 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:04,873 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:05,755 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:05,903 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,250 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,285 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:06,416 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,452 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,556 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,689 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,694 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,731 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:06,742 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:06,824 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:06,839 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:06,954 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:06,965 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,006 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,017 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,032 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,065 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,070 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,121 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,134 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,151 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,156 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,223 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,241 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,265 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,277 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,368 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,388 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,411 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,431 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,442 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,493 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,601 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,656 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:07,741 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,799 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,818 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,829 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,875 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:07,890 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,060 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,073 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:08,090 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:08,337 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,385 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:08,449 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,524 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:08,634 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:08,808 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:08,821 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,850 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:08,875 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:08,924 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:09,014 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,083 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:09,169 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,202 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:09,401 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:09,419 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,449 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:09,478 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,512 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:09,569 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,601 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:09,633 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:09,679 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,723 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:09,775 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:09,802 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:09,847 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-04 06:26:09,959 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,024 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,098 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:10,207 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,311 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,452 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,475 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,508 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,544 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,566 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:10,645 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,713 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:10,753 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:10,800 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,831 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:10,860 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,945 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:10,959 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:10,974 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:10,982 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:11,253 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:11,276 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:11,302 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:11,346 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:11,385 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:11,431 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-04 06:26:11,519 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:11,563 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:11,595 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:11,642 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:11,711 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:11,786 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:11,897 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,016 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:12,033 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,056 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,076 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,099 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,226 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,261 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,291 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,347 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:12,387 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:12,445 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,476 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,521 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:12,534 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,540 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,613 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,677 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:12,752 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:12,863 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:12,968 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,070 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:13,104 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:13,159 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:13,238 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:13,271 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,335 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,367 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,383 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,622 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:13,685 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:13,768 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:13,878 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:13,984 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,083 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:14,097 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,118 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:14,141 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,185 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:14,254 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:14,278 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:14,328 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:14,428 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,556 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,596 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,657 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,683 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,794 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:14,819 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:14,859 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:14,907 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:14,966 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:15,033 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:15,106 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-04 06:26:15,234 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:15,347 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:15,391 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,589 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,681 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,829 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,884 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,969 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:15,974 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,005 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,010 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,048 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:16,073 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,104 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,114 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,128 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,264 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,275 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,411 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,416 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,437 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,442 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,493 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:16,523 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,560 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,570 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:16,593 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,713 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,832 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:16,866 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,064 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,124 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,158 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,384 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,437 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,497 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:17,522 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,557 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-04 06:26:17,599 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:17,695 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,702 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:17,725 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,730 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-04 06:26:17,782 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:17,797 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-04 06:26:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 5 proven. 124 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:18,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884239135] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:26:18,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:26:18,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 55 [2024-05-04 06:26:18,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132849361] [2024-05-04 06:26:18,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:26:18,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-04 06:26:18,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:26:18,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-05-04 06:26:18,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=2670, Unknown=0, NotChecked=0, Total=3080 [2024-05-04 06:26:18,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:18,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:26:18,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.2142857142857144) internal successors, (124), 55 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:23,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:26:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1031268883, now seen corresponding path program 2 times [2024-05-04 06:26:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-04 06:26:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:23,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-04 06:26:23,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:26:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 5135342, now seen corresponding path program 3 times [2024-05-04 06:26:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-04 06:26:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-04 06:26:23,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-04 06:26:23,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 06:26:24,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-04 06:26:24,180 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:26:24,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:26:24,181 INFO L85 PathProgramCache]: Analyzing trace with hash -341199507, now seen corresponding path program 6 times [2024-05-04 06:26:24,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:26:24,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709863598] [2024-05-04 06:26:24,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:24,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-04 06:26:24,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:26:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709863598] [2024-05-04 06:26:24,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709863598] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:26:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188750802] [2024-05-04 06:26:24,827 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 06:26:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:26:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:26:24,829 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) [2024-05-04 06:26:24,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 06:26:24,888 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-05-04 06:26:24,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:26:24,890 WARN L260 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 75 conjunts are in the unsatisfiable core [2024-05-04 06:26:24,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:26:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 16 proven. 149 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:26,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:26:27,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:26:27,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2024-05-04 06:26:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 162 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:28,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188750802] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:26:28,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:26:28,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25, 24] total 60 [2024-05-04 06:26:28,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413854846] [2024-05-04 06:26:28,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:26:28,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-04 06:26:28,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:26:28,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-04 06:26:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=3229, Unknown=0, NotChecked=0, Total=3660 [2024-05-04 06:26:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:28,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:26:28,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.180327868852459) internal successors, (133), 60 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:26:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-04 06:26:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:31,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:26:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1543235730, now seen corresponding path program 4 times [2024-05-04 06:26:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-05-04 06:26:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:31,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-05-04 06:26:31,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:26:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1029323405, now seen corresponding path program 5 times [2024-05-04 06:26:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-04 06:26:31,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:31,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-04 06:26:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:26:31,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:26:32,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 06:26:32,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-05-04 06:26:32,203 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:26:32,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:26:32,204 INFO L85 PathProgramCache]: Analyzing trace with hash 540225165, now seen corresponding path program 7 times [2024-05-04 06:26:32,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:26:32,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015382844] [2024-05-04 06:26:32,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 06:26:33,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:26:33,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015382844] [2024-05-04 06:26:33,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015382844] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:26:33,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506977373] [2024-05-04 06:26:33,129 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 06:26:33,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:26:33,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:26:33,131 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) [2024-05-04 06:26:33,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 06:26:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:33,172 WARN L260 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 91 conjunts are in the unsatisfiable core [2024-05-04 06:26:33,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:26:34,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:26:34,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 65 treesize of output 33 [2024-05-04 06:26:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 14 proven. 251 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:34,692 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:26:36,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:26:36,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2024-05-04 06:26:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 16 proven. 249 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:38,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506977373] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:26:38,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:26:38,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30, 27] total 73 [2024-05-04 06:26:38,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155432506] [2024-05-04 06:26:38,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:26:38,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-04 06:26:38,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:26:38,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-04 06:26:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=4903, Unknown=0, NotChecked=0, Total=5402 [2024-05-04 06:26:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:38,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:26:38,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.2972972972972974) internal successors, (170), 73 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:26:38,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:38,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:38,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:38,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:26:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:43,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:26:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1126453005, now seen corresponding path program 6 times [2024-05-04 06:26:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 77 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-04 06:26:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:43,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 77 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-04 06:26:43,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:26:43,526 INFO L85 PathProgramCache]: Analyzing trace with hash -66529586, now seen corresponding path program 7 times [2024-05-04 06:26:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:43,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-04 06:26:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:43,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:26:43,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:26:44,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 06:26:44,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:26:44,197 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:26:44,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:26:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1678791027, now seen corresponding path program 8 times [2024-05-04 06:26:44,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:26:44,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92339918] [2024-05-04 06:26:44,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-04 06:26:45,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:26:45,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92339918] [2024-05-04 06:26:45,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92339918] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:26:45,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346979986] [2024-05-04 06:26:45,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 06:26:45,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:26:45,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:26:45,273 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) [2024-05-04 06:26:45,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 06:26:45,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 06:26:45,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:26:45,323 WARN L260 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 105 conjunts are in the unsatisfiable core [2024-05-04 06:26:45,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:26:47,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:26:47,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 72 treesize of output 36 [2024-05-04 06:26:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 14 proven. 375 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:26:47,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:26:50,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:26:50,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2024-05-04 06:26:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 37 proven. 350 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 06:26:52,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346979986] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:26:52,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:26:52,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 35, 30] total 83 [2024-05-04 06:26:52,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286601125] [2024-05-04 06:26:52,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:26:52,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-04 06:26:52,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:26:52,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-04 06:26:52,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=6390, Unknown=0, NotChecked=0, Total=6972 [2024-05-04 06:26:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:52,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:26:52,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 2.380952380952381) internal successors, (200), 83 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:26:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:26:58,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:26:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash 230486606, now seen corresponding path program 8 times [2024-05-04 06:26:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:58,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 125 proven. 55 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-05-04 06:26:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 125 proven. 55 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-05-04 06:26:58,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:26:58,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1521013843, now seen corresponding path program 9 times [2024-05-04 06:26:58,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:58,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 140 proven. 67 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-04 06:26:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:58,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:26:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 140 proven. 67 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:26:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:26:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:26:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:26:58,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-04 06:26:59,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-04 06:26:59,018 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:26:59,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:26:59,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1436174701, now seen corresponding path program 9 times [2024-05-04 06:26:59,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:26:59,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111502224] [2024-05-04 06:26:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:26:59,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:26:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-04 06:27:00,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:27:00,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111502224] [2024-05-04 06:27:00,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111502224] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:27:00,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495728286] [2024-05-04 06:27:00,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 06:27:00,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:27:00,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:27:00,708 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) [2024-05-04 06:27:00,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 06:27:00,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-04 06:27:00,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:27:00,774 WARN L260 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 119 conjunts are in the unsatisfiable core [2024-05-04 06:27:00,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:27:03,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:27:03,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 81 treesize of output 41 [2024-05-04 06:27:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 14 proven. 524 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:27:03,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:27:07,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:27:07,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2024-05-04 06:27:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 63 proven. 468 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-04 06:27:09,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495728286] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:27:09,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:27:09,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 40, 33] total 95 [2024-05-04 06:27:09,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253843808] [2024-05-04 06:27:09,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:27:09,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-04 06:27:09,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:27:09,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-04 06:27:09,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=8404, Unknown=0, NotChecked=0, Total=9120 [2024-05-04 06:27:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:27:09,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:27:09,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 2.375) internal successors, (228), 95 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:27:09,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:27:09,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:27:19,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:27:19,044 INFO L85 PathProgramCache]: Analyzing trace with hash -798564307, now seen corresponding path program 10 times [2024-05-04 06:27:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 184 proven. 68 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-04 06:27:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 184 proven. 68 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-04 06:27:19,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:27:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash 223607214, now seen corresponding path program 11 times [2024-05-04 06:27:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:19,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-05-04 06:27:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:27:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:27:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:27:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:27:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:27:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:27:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:27:19,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-04 06:27:20,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-05-04 06:27:20,064 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:27:20,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:27:20,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1322516563, now seen corresponding path program 10 times [2024-05-04 06:27:20,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:27:20,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837535266] [2024-05-04 06:27:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 688 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-04 06:27:22,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:27:22,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837535266] [2024-05-04 06:27:22,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837535266] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:27:22,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336052999] [2024-05-04 06:27:22,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 06:27:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:27:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:27:22,233 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) [2024-05-04 06:27:22,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 06:27:22,305 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 06:27:22,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:27:22,308 WARN L260 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 135 conjunts are in the unsatisfiable core [2024-05-04 06:27:22,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:27:26,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:27:26,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 88 treesize of output 44 [2024-05-04 06:27:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 14 proven. 697 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:27:26,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:27:31,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:27:31,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 212 treesize of output 1274 [2024-05-04 06:27:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 97 proven. 600 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 06:27:34,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336052999] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:27:34,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:27:34,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 45, 36] total 106 [2024-05-04 06:27:34,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575715577] [2024-05-04 06:27:34,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:27:34,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-05-04 06:27:34,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:27:34,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-05-04 06:27:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=10514, Unknown=0, NotChecked=0, Total=11342 [2024-05-04 06:27:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:27:34,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:27:34,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.383177570093458) internal successors, (255), 106 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:27:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:27:34,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:27:45,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:27:45,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1946055982, now seen corresponding path program 12 times [2024-05-04 06:27:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:45,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-05-04 06:27:45,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:45,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-05-04 06:27:45,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:27:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1408529613, now seen corresponding path program 13 times [2024-05-04 06:27:45,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 271 proven. 96 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-05-04 06:27:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 271 proven. 96 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:27:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:27:46,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-04 06:27:46,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-05-04 06:27:46,568 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:27:46,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:27:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash -247854003, now seen corresponding path program 11 times [2024-05-04 06:27:46,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:27:46,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460608055] [2024-05-04 06:27:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:27:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:27:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:27:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-05-04 06:27:49,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:27:49,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460608055] [2024-05-04 06:27:49,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460608055] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:27:49,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075990177] [2024-05-04 06:27:49,105 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 06:27:49,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:27:49,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:27:49,107 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) [2024-05-04 06:27:49,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 06:27:49,200 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-04 06:27:49,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:27:49,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 121 conjunts are in the unsatisfiable core [2024-05-04 06:27:49,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:27:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 14 proven. 871 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-04 06:27:53,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:27:58,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:27:58,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2024-05-04 06:28:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 136 proven. 749 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-04 06:28:02,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075990177] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:28:02,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:28:02,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39, 39] total 106 [2024-05-04 06:28:02,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090915099] [2024-05-04 06:28:02,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:28:03,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-05-04 06:28:03,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:28:03,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-05-04 06:28:03,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=807, Invalid=10535, Unknown=0, NotChecked=0, Total=11342 [2024-05-04 06:28:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:28:03,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:28:03,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.542056074766355) internal successors, (272), 106 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:28:03,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:03,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:03,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:28:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:28:16,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-04 06:28:16,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1408529613, now seen corresponding path program 14 times [2024-05-04 06:28:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-05-04 06:28:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-05-04 06:28:17,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:28:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1479166222, now seen corresponding path program 15 times [2024-05-04 06:28:17,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:17,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 289 proven. 111 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-05-04 06:28:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:17,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 289 proven. 111 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-05-04 06:28:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:28:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:28:17,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 06:28:17,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-05-04 06:28:17,995 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:28:17,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:28:17,995 INFO L85 PathProgramCache]: Analyzing trace with hash 423384141, now seen corresponding path program 12 times [2024-05-04 06:28:17,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:28:17,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631987834] [2024-05-04 06:28:17,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:17,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 1 proven. 974 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-05-04 06:28:21,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:28:21,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631987834] [2024-05-04 06:28:21,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631987834] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:28:21,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531274435] [2024-05-04 06:28:21,075 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 06:28:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:28:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:28:21,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 06:28:21,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 06:28:21,171 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-05-04 06:28:21,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:28:21,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 131 conjunts are in the unsatisfiable core [2024-05-04 06:28:21,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:28:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 14 proven. 969 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 06:28:25,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:28:32,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:28:32,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 250 treesize of output 1764 [2024-05-04 06:28:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 138 proven. 845 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 06:28:38,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531274435] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:28:38,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:28:38,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 42, 42] total 115 [2024-05-04 06:28:38,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262458619] [2024-05-04 06:28:38,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:28:38,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-05-04 06:28:38,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:28:38,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-05-04 06:28:38,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=12435, Unknown=0, NotChecked=0, Total=13340 [2024-05-04 06:28:38,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:28:38,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:28:38,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 2.5517241379310347) internal successors, (296), 115 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:28:38,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:28:53,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:28:53,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1479166222, now seen corresponding path program 16 times [2024-05-04 06:28:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:53,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 289 proven. 111 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-05-04 06:28:53,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:53,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 289 proven. 111 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:28:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:28:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:28:53,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-04 06:28:54,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-05-04 06:28:54,073 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:28:54,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:28:54,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1241374675, now seen corresponding path program 13 times [2024-05-04 06:28:54,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:28:54,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490445633] [2024-05-04 06:28:54,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:28:54,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:28:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 0 proven. 1074 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-04 06:28:57,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:28:57,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490445633] [2024-05-04 06:28:57,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490445633] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:28:57,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979394290] [2024-05-04 06:28:57,681 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 06:28:57,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:28:57,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:28:57,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 06:28:57,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 06:28:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:28:57,753 WARN L260 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 167 conjunts are in the unsatisfiable core [2024-05-04 06:28:57,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:29:05,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:29:05,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 113 treesize of output 57 [2024-05-04 06:29:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 14 proven. 1076 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:29:05,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:29:14,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:29:14,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 270 treesize of output 2040 [2024-05-04 06:29:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 135 proven. 948 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-04 06:29:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979394290] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:29:20,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:29:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 56, 45] total 134 [2024-05-04 06:29:20,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100745319] [2024-05-04 06:29:20,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:29:20,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-05-04 06:29:20,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:29:20,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-05-04 06:29:20,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1183, Invalid=16907, Unknown=0, NotChecked=0, Total=18090 [2024-05-04 06:29:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:29:20,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:29:20,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.3925925925925924) internal successors, (323), 134 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:29:20,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:29:20,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:29:48,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:29:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1413095314, now seen corresponding path program 17 times [2024-05-04 06:29:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:29:48,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:29:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:29:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-04 06:29:49,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:29:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:29:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:29:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:29:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:29:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:29:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:29:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:29:49,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:29:49,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 06:29:49,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:29:49,593 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:29:49,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:29:49,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1310039827, now seen corresponding path program 14 times [2024-05-04 06:29:49,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:29:49,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467875409] [2024-05-04 06:29:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:29:49,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:29:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:29:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 0 proven. 1308 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-04 06:29:52,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:29:52,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467875409] [2024-05-04 06:29:52,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467875409] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:29:52,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449867406] [2024-05-04 06:29:52,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 06:29:52,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:29:52,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:29:52,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 06:29:52,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 06:29:53,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 06:29:53,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:29:53,043 WARN L260 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 183 conjunts are in the unsatisfiable core [2024-05-04 06:29:53,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:30:02,194 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:30:02,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 120 treesize of output 60 [2024-05-04 06:30:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 14 proven. 1317 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:30:02,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:30:13,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:30:13,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2024-05-04 06:30:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 185 proven. 1132 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 06:30:18,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449867406] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:30:18,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:30:18,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 61, 48] total 145 [2024-05-04 06:30:18,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42895368] [2024-05-04 06:30:18,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:30:18,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-05-04 06:30:18,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:30:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-05-04 06:30:18,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1330, Invalid=19840, Unknown=0, NotChecked=0, Total=21170 [2024-05-04 06:30:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:30:18,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:30:18,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 2.3972602739726026) internal successors, (350), 145 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:30:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:30:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:30:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:30:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:30:18,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:30:42,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 06:30:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2107792366, now seen corresponding path program 18 times [2024-05-04 06:30:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:30:42,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:30:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:30:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 466 proven. 146 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-05-04 06:30:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:30:42,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:30:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:30:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 466 proven. 146 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:30:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:30:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:30:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:30:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:30:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:30:43,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 06:30:43,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:30:43,453 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:30:43,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:30:43,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1907913485, now seen corresponding path program 15 times [2024-05-04 06:30:43,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:30:43,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124183662] [2024-05-04 06:30:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:30:43,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:30:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:30:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 1 proven. 1564 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-04 06:30:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:30:47,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124183662] [2024-05-04 06:30:47,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124183662] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:30:47,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633383261] [2024-05-04 06:30:47,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 06:30:47,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:30:47,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:30:47,786 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 06:30:47,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 06:30:47,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2024-05-04 06:30:47,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:30:47,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 161 conjunts are in the unsatisfiable core [2024-05-04 06:30:47,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:30:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 14 proven. 1559 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-04 06:30:56,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:31:08,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:31:08,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 308 treesize of output 2650 [2024-05-04 06:31:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 240 proven. 1333 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-04 06:31:21,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633383261] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 06:31:21,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 06:31:21,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 51, 51] total 143 [2024-05-04 06:31:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012850264] [2024-05-04 06:31:21,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 06:31:21,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-05-04 06:31:21,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 06:31:21,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-05-04 06:31:21,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=19317, Unknown=0, NotChecked=0, Total=20592 [2024-05-04 06:31:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:31:21,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 06:31:21,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 2.5625) internal successors, (369), 143 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:31:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:31:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:31:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:31:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:31:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 06:31:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 06:31:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-04 06:31:54,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-04 06:31:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-05-04 06:31:54,663 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 06:31:54,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 06:31:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1922030195, now seen corresponding path program 16 times [2024-05-04 06:31:54,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 06:31:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834508285] [2024-05-04 06:31:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 06:31:54,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 06:31:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 06:31:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 0 proven. 1690 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-04 06:31:59,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 06:31:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834508285] [2024-05-04 06:31:59,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834508285] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 06:31:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546393034] [2024-05-04 06:31:59,099 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 06:31:59,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 06:31:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 06:31:59,100 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 06:31:59,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 06:31:59,177 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 06:31:59,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 06:31:59,181 WARN L260 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 207 conjunts are in the unsatisfiable core [2024-05-04 06:31:59,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 06:32:11,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:32:11,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 136 treesize of output 68 [2024-05-04 06:32:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 14 proven. 1699 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-04 06:32:11,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 06:32:26,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 06:32:26,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 326 treesize of output 2984 [2024-05-04 06:32:38,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-05-04 06:32:38,474 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-05-04 06:32:38,475 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-04 06:32:38,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-04 06:32:38,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-05-04 06:32:38,676 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-05-04 06:32:38,680 INFO L158 Benchmark]: Toolchain (without parser) took 578659.68ms. Allocated memory was 271.6MB in the beginning and 1.2GB in the end (delta: 902.8MB). Free memory was 247.2MB in the beginning and 927.2MB in the end (delta: -680.0MB). Peak memory consumption was 821.4MB. Max. memory is 8.0GB. [2024-05-04 06:32:38,681 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 271.6MB. Free memory is still 239.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 06:32:38,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.59ms. Allocated memory is still 271.6MB. Free memory was 247.1MB in the beginning and 245.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 06:32:38,681 INFO L158 Benchmark]: Boogie Preprocessor took 12.97ms. Allocated memory is still 271.6MB. Free memory was 245.5MB in the beginning and 244.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 06:32:38,681 INFO L158 Benchmark]: RCFGBuilder took 292.24ms. Allocated memory is still 271.6MB. Free memory was 244.4MB in the beginning and 234.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-04 06:32:38,681 INFO L158 Benchmark]: TraceAbstraction took 578318.56ms. Allocated memory was 271.6MB in the beginning and 1.2GB in the end (delta: 902.8MB). Free memory was 232.9MB in the beginning and 927.2MB in the end (delta: -694.3MB). Peak memory consumption was 807.8MB. Max. memory is 8.0GB. [2024-05-04 06:32:38,682 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 0.12ms. Allocated memory is still 271.6MB. Free memory is still 239.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.59ms. Allocated memory is still 271.6MB. Free memory was 247.1MB in the beginning and 245.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.97ms. Allocated memory is still 271.6MB. Free memory was 245.5MB in the beginning and 244.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 292.24ms. Allocated memory is still 271.6MB. Free memory was 244.4MB in the beginning and 234.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 578318.56ms. Allocated memory was 271.6MB in the beginning and 1.2GB in the end (delta: 902.8MB). Free memory was 232.9MB in the beginning and 927.2MB in the end (delta: -694.3MB). Peak memory consumption was 807.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-04 06:32:38,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...