/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 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-27 10:49:55,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-27 10:49:55,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-27 10:49:55,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-27 10:49:55,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-27 10:49:55,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-27 10:49:55,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-27 10:49:55,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-27 10:49:55,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-27 10:49:55,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-27 10:49:55,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-27 10:49:55,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-27 10:49:55,114 INFO L153 SettingsManager]: * Use SBE=true [2024-04-27 10:49:55,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-27 10:49:55,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-27 10:49:55,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-27 10:49:55,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-27 10:49:55,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-27 10:49:55,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-27 10:49:55,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-27 10:49:55,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-27 10:49:55,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-27 10:49:55,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-27 10:49:55,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-27 10:49:55,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 10:49:55,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-27 10:49:55,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-27 10:49:55,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-27 10:49:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-27 10:49:55,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-27 10:49:55,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-27 10:49:55,340 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-27 10:49:55,345 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-27 10:49:55,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2024-04-27 10:49:55,346 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2024-04-27 10:49:55,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-27 10:49:55,381 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-27 10:49:55,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-27 10:49:55,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-27 10:49:55,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-27 10:49:55,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,463 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-27 10:49:55,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-27 10:49:55,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-27 10:49:55,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-27 10:49:55,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-27 10:49:55,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-27 10:49:55,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-27 10:49:55,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-27 10:49:55,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-27 10:49:55,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/1) ... [2024-04-27 10:49:55,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 10:49:55,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:49:55,503 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) [2024-04-27 10:49:55,528 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 [2024-04-27 10:49:55,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-27 10:49:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-27 10:49:55,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-27 10:49:55,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-27 10:49:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-27 10:49:55,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-27 10:49:55,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-27 10:49:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-27 10:49:55,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-27 10:49:55,552 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-27 10:49:55,597 INFO L241 CfgBuilder]: Building ICFG [2024-04-27 10:49:55,599 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-27 10:49:55,661 INFO L282 CfgBuilder]: Performing block encoding [2024-04-27 10:49:55,672 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-27 10:49:55,673 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-27 10:49:55,674 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:49:55 BoogieIcfgContainer [2024-04-27 10:49:55,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-27 10:49:55,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-27 10:49:55,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-27 10:49:55,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-27 10:49:55,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 10:49:55" (1/2) ... [2024-04-27 10:49:55,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321c1179 and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:49:55, skipping insertion in model container [2024-04-27 10:49:55,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:49:55" (2/2) ... [2024-04-27 10:49:55,685 INFO L112 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2024-04-27 10:49:55,699 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-27 10:49:55,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-27 10:49:55,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-27 10:49:55,707 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-27 10:49:55,756 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-27 10:49:55,788 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-27 10:49:55,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-27 10:49:55,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:49:55,792 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) [2024-04-27 10:49:55,816 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 [2024-04-27 10:49:55,834 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-27 10:49:55,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:55,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-27 10:49:55,859 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;@41668e49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-27 10:49:55,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-27 10:49:55,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:55,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash -264298222, now seen corresponding path program 1 times [2024-04-27 10:49:55,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:55,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246701353] [2024-04-27 10:49:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:56,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:49:56,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246701353] [2024-04-27 10:49:56,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246701353] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 10:49:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 10:49:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 10:49:56,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877791589] [2024-04-27 10:49:56,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 10:49:56,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 10:49:56,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:49:56,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 10:49:56,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 10:49:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:56,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:49:56,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-27 10:49:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-27 10:49:56,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:56,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash 320746608, now seen corresponding path program 1 times [2024-04-27 10:49:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772984172] [2024-04-27 10:49:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 10:49:56,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:49:56,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772984172] [2024-04-27 10:49:56,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772984172] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 10:49:56,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 10:49:56,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 10:49:56,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208774779] [2024-04-27 10:49:56,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 10:49:56,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-27 10:49:56,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:49:56,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 10:49:56,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-27 10:49:56,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:56,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:49:56,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-04-27 10:49:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:56,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-27 10:49:56,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:56,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1538239018, now seen corresponding path program 1 times [2024-04-27 10:49:56,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:56,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164198856] [2024-04-27 10:49:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:56,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:49:56,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164198856] [2024-04-27 10:49:56,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164198856] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:49:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141633373] [2024-04-27 10:49:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:56,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:49:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:49:56,502 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) [2024-04-27 10:49:56,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-27 10:49:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:56,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-27 10:49:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:49:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:56,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:49:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:56,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141633373] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:49:56,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:49:56,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-04-27 10:49:56,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987043408] [2024-04-27 10:49:56,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:49:56,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-27 10:49:56,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:49:56,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-27 10:49:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-04-27 10:49:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:56,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:49:56,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-27 10:49:56,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:56,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:49:57,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-27 10:49:57,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-27 10:49:57,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:57,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2048170876, now seen corresponding path program 2 times [2024-04-27 10:49:57,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138057566] [2024-04-27 10:49:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 10:49:57,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:49:57,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138057566] [2024-04-27 10:49:57,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138057566] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:49:57,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160291325] [2024-04-27 10:49:57,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 10:49:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:49:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:49:57,417 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) [2024-04-27 10:49:57,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 10:49:57,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:49:57,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-27 10:49:57,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:49:57,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-27 10:49:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:57,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:49:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:57,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160291325] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:49:57,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:49:57,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-04-27 10:49:57,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310022728] [2024-04-27 10:49:57,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:49:57,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-27 10:49:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:49:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-27 10:49:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-04-27 10:49:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:57,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:49:57,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-04-27 10:49:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:57,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:57,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:49:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:49:58,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-27 10:49:58,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-27 10:49:58,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:49:58,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:58,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash -814643046, now seen corresponding path program 3 times [2024-04-27 10:49:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:58,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077964684] [2024-04-27 10:49:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:49:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:58,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:49:58,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077964684] [2024-04-27 10:49:58,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077964684] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:49:58,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361216718] [2024-04-27 10:49:58,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 10:49:58,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:49:58,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:49:58,434 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) [2024-04-27 10:49:58,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-27 10:49:58,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-27 10:49:58,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:49:58,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-27 10:49:58,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:49:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:58,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:49:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:49:58,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361216718] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:49:58,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:49:58,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2024-04-27 10:49:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718356561] [2024-04-27 10:49:58,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:49:58,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-27 10:49:58,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:49:58,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-27 10:49:58,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-04-27 10:49:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:58,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:49:58,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 22 states have internal predecessors, (50), 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) [2024-04-27 10:49:58,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:58,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:58,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:49:58,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-27 10:49:58,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:49:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:49:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:49:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-27 10:49:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:49:59,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-27 10:49:59,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:49:59,816 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:49:59,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:49:59,817 INFO L85 PathProgramCache]: Analyzing trace with hash 359757696, now seen corresponding path program 4 times [2024-04-27 10:49:59,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:49:59,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200295251] [2024-04-27 10:49:59,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:49:59,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:49:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:50:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 10:50:00,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:50:00,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200295251] [2024-04-27 10:50:00,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200295251] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:50:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222754629] [2024-04-27 10:50:00,225 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 10:50:00,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:50:00,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:50:00,228 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) [2024-04-27 10:50:00,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 10:50:00,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:50:00,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-27 10:50:00,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-27 10:50:00,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:50:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:00,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:50:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-27 10:50:00,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222754629] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:50:00,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:50:00,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 7] total 30 [2024-04-27 10:50:00,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281966309] [2024-04-27 10:50:00,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:50:00,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-27 10:50:00,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:50:00,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-27 10:50:00,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2024-04-27 10:50:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:00,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:50:00,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.5) internal successors, (75), 30 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:00,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-27 10:50:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-27 10:50:03,307 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,SelfDestructingSolverStorable5 [2024-04-27 10:50:03,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:50:03,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:50:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1591678182, now seen corresponding path program 5 times [2024-04-27 10:50:03,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:50:03,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406966880] [2024-04-27 10:50:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:50:03,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:50:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:50:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-27 10:50:03,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:50:03,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406966880] [2024-04-27 10:50:03,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406966880] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:50:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26064499] [2024-04-27 10:50:03,690 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 10:50:03,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:50:03,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:50:03,691 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) [2024-04-27 10:50:03,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-27 10:50:03,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-27 10:50:03,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:50:03,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-27 10:50:03,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:50:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:04,077 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:50:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:04,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26064499] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:50:04,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:50:04,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 35 [2024-04-27 10:50:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492143816] [2024-04-27 10:50:04,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:50:04,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-27 10:50:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:50:04,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-27 10:50:04,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=981, Unknown=0, NotChecked=0, Total=1190 [2024-04-27 10:50:04,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:04,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:50:04,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-27 10:50:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-27 10:50:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-27 10:50:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1570569691, now seen corresponding path program 1 times [2024-04-27 10:50:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:50:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:50:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-27 10:50:07,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-27 10:50:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-27 10:50:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-27 10:50:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:50:07,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-27 10:50:07,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:50:07,713 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:50:07,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:50:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1429767140, now seen corresponding path program 6 times [2024-04-27 10:50:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:50:07,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766559089] [2024-04-27 10:50:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:50:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:50:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:50:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-04-27 10:50:08,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:50:08,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766559089] [2024-04-27 10:50:08,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766559089] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:50:08,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298845480] [2024-04-27 10:50:08,623 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-27 10:50:08,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:50:08,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:50:08,624 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) [2024-04-27 10:50:08,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-27 10:50:08,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-04-27 10:50:08,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:50:08,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 52 conjunts are in the unsatisfiable core [2024-04-27 10:50:08,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:50:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:09,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:50:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:15,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298845480] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:50:15,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:50:15,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26, 27] total 63 [2024-04-27 10:50:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567230013] [2024-04-27 10:50:15,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:50:15,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-27 10:50:15,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:50:15,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-27 10:50:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=802, Invalid=3104, Unknown=0, NotChecked=0, Total=3906 [2024-04-27 10:50:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:15,884 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:50:15,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.1587301587301586) internal successors, (136), 63 states have internal predecessors, (136), 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) [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:15,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-27 10:50:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:50:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1152144555, now seen corresponding path program 2 times [2024-04-27 10:50:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:50:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:50:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-27 10:50:26,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-27 10:50:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:50:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:50:27,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-27 10:50:27,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable9 [2024-04-27 10:50:27,337 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:50:27,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:50:27,337 INFO L85 PathProgramCache]: Analyzing trace with hash 647241074, now seen corresponding path program 7 times [2024-04-27 10:50:27,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:50:27,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729972422] [2024-04-27 10:50:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:50:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:50:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:50:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 26 proven. 286 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-04-27 10:50:29,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:50:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729972422] [2024-04-27 10:50:29,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729972422] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:50:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778834401] [2024-04-27 10:50:29,546 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-27 10:50:29,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:50:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:50:29,547 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) [2024-04-27 10:50:29,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-27 10:50:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:50:29,634 WARN L260 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 145 conjunts are in the unsatisfiable core [2024-04-27 10:50:29,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:50:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 24 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:33,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:50:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 24 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:50:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778834401] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:50:50,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:50:50,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 54, 54] total 115 [2024-04-27 10:50:50,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411442166] [2024-04-27 10:50:50,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:50:50,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-04-27 10:50:50,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:50:50,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-04-27 10:50:50,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3019, Invalid=10321, Unknown=0, NotChecked=0, Total=13340 [2024-04-27 10:50:50,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:50:50,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:50:50,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 2.043103448275862) internal successors, (237), 115 states have internal predecessors, (237), 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) [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:50:50,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:51:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:51:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-04-27 10:51:06,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-27 10:51:06,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:51:06,247 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:51:06,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:51:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash -374569132, now seen corresponding path program 8 times [2024-04-27 10:51:06,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:51:06,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793206780] [2024-04-27 10:51:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:51:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:51:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:51:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 25 proven. 100 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-04-27 10:51:07,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:51:07,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793206780] [2024-04-27 10:51:07,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793206780] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:51:07,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654716290] [2024-04-27 10:51:07,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 10:51:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:51:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:51:07,013 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) [2024-04-27 10:51:07,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-27 10:51:07,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 10:51:07,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:51:07,097 WARN L260 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 153 conjunts are in the unsatisfiable core [2024-04-27 10:51:07,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:51:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 1 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:51:11,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:51:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 1301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:51:31,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654716290] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:51:31,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:51:31,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 57, 57] total 116 [2024-04-27 10:51:31,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102034121] [2024-04-27 10:51:31,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:51:31,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-04-27 10:51:31,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:51:31,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-04-27 10:51:31,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2421, Invalid=11151, Unknown=0, NotChecked=0, Total=13572 [2024-04-27 10:51:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:51:31,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:51:31,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.0598290598290596) internal successors, (241), 116 states have internal predecessors, (241), 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) [2024-04-27 10:51:31,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:51:31,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-04-27 10:51:31,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:53:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-04-27 10:53:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-04-27 10:53:09,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-27 10:53:09,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:53:09,719 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:53:09,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:53:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash 785453814, now seen corresponding path program 9 times [2024-04-27 10:53:09,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:53:09,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457312672] [2024-04-27 10:53:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:53:09,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:53:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:53:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-04-27 10:53:12,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:53:12,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457312672] [2024-04-27 10:53:12,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457312672] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:53:12,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417203551] [2024-04-27 10:53:12,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 10:53:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:53:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:53:12,123 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) [2024-04-27 10:53:12,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-27 10:53:12,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-04-27 10:53:12,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:53:12,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 114 conjunts are in the unsatisfiable core [2024-04-27 10:53:12,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:53:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 1458 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:53:14,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:54:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 2 proven. 1456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:54:43,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417203551] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:54:43,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:54:43,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 58, 58] total 124 [2024-04-27 10:54:43,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649672215] [2024-04-27 10:54:43,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:54:43,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-04-27 10:54:43,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:54:43,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-04-27 10:54:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3197, Invalid=12055, Unknown=0, NotChecked=0, Total=15252 [2024-04-27 10:54:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:54:43,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:54:43,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 2.0725806451612905) internal successors, (257), 124 states have internal predecessors, (257), 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) [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-04-27 10:54:43,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:55:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:55:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:55:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:55:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-04-27 10:55:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-27 10:55:58,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-27 10:55:58,945 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,SelfDestructingSolverStorable12 [2024-04-27 10:55:58,945 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:55:58,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:55:58,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1261848260, now seen corresponding path program 10 times [2024-04-27 10:55:58,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:55:58,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994469321] [2024-04-27 10:55:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:55:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:55:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:56:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 0 proven. 874 refuted. 0 times theorem prover too weak. 4851 trivial. 0 not checked. [2024-04-27 10:56:14,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:56:14,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994469321] [2024-04-27 10:56:14,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994469321] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:56:14,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577460761] [2024-04-27 10:56:14,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 10:56:14,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:56:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:56:14,842 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) [2024-04-27 10:56:14,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-27 10:56:14,987 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 10:56:14,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:56:14,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 165 conjunts are in the unsatisfiable core [2024-04-27 10:56:14,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:56:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 1382 proven. 4343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:56:22,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 10:56:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 158 proven. 416 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-04-27 10:56:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577460761] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 10:56:28,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 10:56:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 111, 11] total 135 [2024-04-27 10:56:28,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285781924] [2024-04-27 10:56:28,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 10:56:28,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-04-27 10:56:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 10:56:28,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-04-27 10:56:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1948, Invalid=16142, Unknown=0, NotChecked=0, Total=18090 [2024-04-27 10:56:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:56:28,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 10:56:28,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.1037037037037036) internal successors, (284), 135 states have internal predecessors, (284), 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) [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-27 10:56:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 10:57:13,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-27 10:57:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2024-04-27 10:57:13,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-27 10:57:13,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:57:13,974 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-27 10:57:13,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 10:57:13,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1866586060, now seen corresponding path program 11 times [2024-04-27 10:57:13,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 10:57:13,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906891923] [2024-04-27 10:57:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 10:57:13,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 10:57:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 10:57:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6161 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-04-27 10:57:24,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 10:57:24,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906891923] [2024-04-27 10:57:24,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906891923] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 10:57:24,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973090728] [2024-04-27 10:57:24,752 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 10:57:24,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 10:57:24,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 10:57:24,753 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) [2024-04-27 10:57:24,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-27 10:57:25,110 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 57 check-sat command(s) [2024-04-27 10:57:25,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 10:57:25,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 228 conjunts are in the unsatisfiable core [2024-04-27 10:57:25,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 10:57:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6161 backedges. 0 proven. 6161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 10:57:33,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-04-27 11:03:54,302 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-27 11:03:54,302 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-27 11:03:54,307 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-27 11:03:54,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-27 11:03:54,350 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-27 11:03:54,516 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,SelfDestructingSolverStorable14 [2024-04-27 11:03:54,517 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 238 with TraceHistMax 56,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 context. [2024-04-27 11:03:54,519 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-27 11:03:54,519 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-27 11:03:54,522 INFO L448 BasicCegarLoop]: Path program histogram: [11, 2, 1, 1] [2024-04-27 11:03:54,525 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-27 11:03:54,525 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-27 11:03:54,528 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 11:03:54 BasicIcfg [2024-04-27 11:03:54,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-27 11:03:54,530 INFO L158 Benchmark]: Toolchain (without parser) took 839147.28ms. Allocated memory was 211.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 143.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-27 11:03:54,530 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 211.8MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-27 11:03:54,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 211.8MB. Free memory was 143.5MB in the beginning and 187.4MB in the end (delta: -44.0MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2024-04-27 11:03:54,531 INFO L158 Benchmark]: Boogie Preprocessor took 13.55ms. Allocated memory is still 211.8MB. Free memory was 187.4MB in the beginning and 186.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 11:03:54,531 INFO L158 Benchmark]: RCFGBuilder took 195.14ms. Allocated memory is still 211.8MB. Free memory was 186.3MB in the beginning and 176.6MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-27 11:03:54,531 INFO L158 Benchmark]: TraceAbstraction took 838852.74ms. Allocated memory was 211.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 175.4MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-27 11:03:54,532 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 0.09ms. Allocated memory is still 211.8MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 211.8MB. Free memory was 143.5MB in the beginning and 187.4MB in the end (delta: -44.0MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.55ms. Allocated memory is still 211.8MB. Free memory was 187.4MB in the beginning and 186.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 195.14ms. Allocated memory is still 211.8MB. Free memory was 186.3MB in the beginning and 176.6MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 838852.74ms. Allocated memory was 211.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 175.4MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14773, independent: 10201, independent conditional: 10177, independent unconditional: 24, dependent: 4572, dependent conditional: 4556, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10213, independent: 10201, independent conditional: 10177, independent unconditional: 24, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10213, independent: 10201, independent conditional: 10177, independent unconditional: 24, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10213, independent: 10201, independent conditional: 10177, independent unconditional: 24, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4866, independent unconditional: 5335, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4536, independent unconditional: 5665, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4536, independent unconditional: 5665, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, independent: 42, independent conditional: 6, independent unconditional: 36, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 75, dependent conditional: 72, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10276, independent: 10159, independent conditional: 4530, independent unconditional: 5629, dependent: 51, dependent conditional: 41, dependent unconditional: 10, unknown: 66, unknown conditional: 28, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 42, Positive conditional cache size: 6, Positive unconditional cache size: 36, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 330, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4866, independent unconditional: 5335, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4536, independent unconditional: 5665, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10276, independent: 10201, independent conditional: 4536, independent unconditional: 5665, dependent: 75, dependent conditional: 63, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, independent: 42, independent conditional: 6, independent unconditional: 36, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 75, dependent conditional: 72, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10276, independent: 10159, independent conditional: 4530, independent unconditional: 5629, dependent: 51, dependent conditional: 41, dependent unconditional: 10, unknown: 66, unknown conditional: 28, unknown unconditional: 38] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 42, Positive conditional cache size: 6, Positive unconditional cache size: 36, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 330 ], Independence queries for same thread: 4560 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 238 with TraceHistMax 56,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 238 with TraceHistMax 56,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 238 with TraceHistMax 56,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 838.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 252.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1236, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 182.7s InterpolantComputationTime, 1576 NumberOfCodeBlocks, 1576 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 2316 ConstructedInterpolants, 0 QuantifiedInterpolants, 100870 SizeOfPredicates, 65 NumberOfNonLiveVariables, 1845 ConjunctsInSsa, 705 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 15008/30022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 1.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown