/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 18:35:18,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 18:35:18,420 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 18:35:18,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 18:35:18,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 18:35:18,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 18:35:18,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 18:35:18,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 18:35:18,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 18:35:18,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 18:35:18,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 18:35:18,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 18:35:18,463 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 18:35:18,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 18:35:18,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 18:35:18,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 18:35:18,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 18:35:18,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 18:35:18,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 18:35:18,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 18:35:18,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 18:35:18,467 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 18:35:18,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 18:35:18,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 18:35:18,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 18:35:18,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 18:35:18,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-06 18:35:18,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 18:35:18,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 18:35:18,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 18:35:18,733 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 18:35:18,733 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 18:35:18,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2024-04-06 18:35:18,735 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2024-04-06 18:35:18,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 18:35:18,787 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 18:35:18,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 18:35:18,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 18:35:18,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 18:35:18,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,841 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 18:35:18,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 18:35:18,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 18:35:18,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 18:35:18,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 18:35:18,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 18:35:18,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 18:35:18,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 18:35:18,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 18:35:18,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/1) ... [2024-04-06 18:35:18,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 18:35:18,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:18,882 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) [2024-04-06 18:35:18,898 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 [2024-04-06 18:35:18,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 18:35:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 18:35:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 18:35:18,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 18:35:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 18:35:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 18:35:18,917 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 18:35:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 18:35:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 18:35:18,918 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 18:35:18,960 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 18:35:18,962 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 18:35:19,066 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 18:35:19,093 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 18:35:19,094 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 18:35:19,095 INFO L201 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:35:19 BoogieIcfgContainer [2024-04-06 18:35:19,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 18:35:19,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 18:35:19,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 18:35:19,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 18:35:19,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 06:35:18" (1/2) ... [2024-04-06 18:35:19,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577aefd and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 06:35:19, skipping insertion in model container [2024-04-06 18:35:19,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:35:19" (2/2) ... [2024-04-06 18:35:19,102 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2024-04-06 18:35:19,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 18:35:19,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 18:35:19,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 18:35:19,116 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 18:35:19,141 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 18:35:19,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 18:35:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 18:35:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:19,179 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) [2024-04-06 18:35:19,188 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 [2024-04-06 18:35:19,207 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 18:35:19,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:19,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 18:35:19,223 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;@36b53bdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-06 18:35:19,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 18:35:19,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:19,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1124772618, now seen corresponding path program 1 times [2024-04-06 18:35:19,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:19,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158807439] [2024-04-06 18:35:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:19,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:19,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158807439] [2024-04-06 18:35:19,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158807439] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 18:35:19,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 18:35:19,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 18:35:19,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440866890] [2024-04-06 18:35:19,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 18:35:19,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 18:35:19,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:19,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 18:35:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 18:35:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:19,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:19,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 18:35:19,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:19,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 18:35:19,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:19,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:19,609 INFO L85 PathProgramCache]: Analyzing trace with hash 534828936, now seen corresponding path program 1 times [2024-04-06 18:35:19,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:19,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129728808] [2024-04-06 18:35:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:19,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:19,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129728808] [2024-04-06 18:35:19,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129728808] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 18:35:19,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 18:35:19,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 18:35:19,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054068046] [2024-04-06 18:35:19,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 18:35:19,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 18:35:19,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:19,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 18:35:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 18:35:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:19,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:19,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-04-06 18:35:19,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:19,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:19,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 18:35:19,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:19,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash 212342529, now seen corresponding path program 1 times [2024-04-06 18:35:19,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:19,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257225743] [2024-04-06 18:35:19,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:19,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:19,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257225743] [2024-04-06 18:35:19,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257225743] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 18:35:19,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 18:35:19,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 18:35:19,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459913885] [2024-04-06 18:35:19,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 18:35:19,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 18:35:19,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:19,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 18:35:19,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 18:35:19,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:19,968 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:19,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-04-06 18:35:19,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:19,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:19,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:20,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 18:35:20,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:20,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:20,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1941477779, now seen corresponding path program 1 times [2024-04-06 18:35:20,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:20,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376904934] [2024-04-06 18:35:20,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:20,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:20,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376904934] [2024-04-06 18:35:20,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376904934] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:20,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245762969] [2024-04-06 18:35:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:20,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:20,054 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) [2024-04-06 18:35:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:20,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 18:35:20,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:20,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 18:35:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:20,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:20,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245762969] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:20,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:20,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-04-06 18:35:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490410536] [2024-04-06 18:35:20,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:20,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 18:35:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:20,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 18:35:20,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-06 18:35:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:20,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:20,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-04-06 18:35:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:20,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:20,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:20,516 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:20,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:20,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1503542451, now seen corresponding path program 2 times [2024-04-06 18:35:20,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:20,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085809154] [2024-04-06 18:35:20,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:20,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:35:20,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:20,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085809154] [2024-04-06 18:35:20,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085809154] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:20,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613187634] [2024-04-06 18:35:20,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 18:35:20,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:20,652 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) [2024-04-06 18:35:20,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 18:35:20,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 18:35:20,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:20,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 18:35:20,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:20,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 18:35:20,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2024-04-06 18:35:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:20,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:20,916 INFO L349 Elim1Store]: treesize reduction 15, result has 87.6 percent of original size [2024-04-06 18:35:20,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 15 treesize of output 125 [2024-04-06 18:35:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:35:21,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613187634] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:21,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:21,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 10 [2024-04-06 18:35:21,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563714651] [2024-04-06 18:35:21,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:21,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-06 18:35:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:21,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-06 18:35:21,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-04-06 18:35:21,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:21,242 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:21,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2024-04-06 18:35:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:21,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:21,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:21,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1457664478, now seen corresponding path program 3 times [2024-04-06 18:35:21,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:21,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690800585] [2024-04-06 18:35:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:21,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:21,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690800585] [2024-04-06 18:35:21,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690800585] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794850767] [2024-04-06 18:35:21,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 18:35:21,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:21,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:21,580 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) [2024-04-06 18:35:21,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 18:35:21,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 18:35:21,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:21,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 18:35:21,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:21,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:21,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794850767] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:21,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:21,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-04-06 18:35:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523770983] [2024-04-06 18:35:21,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:21,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 18:35:21,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:21,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 18:35:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-04-06 18:35:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:21,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:21,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 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) [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:21,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 18:35:22,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:22,065 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:22,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1653264965, now seen corresponding path program 4 times [2024-04-06 18:35:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466220338] [2024-04-06 18:35:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:22,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466220338] [2024-04-06 18:35:22,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466220338] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639391198] [2024-04-06 18:35:22,124 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 18:35:22,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:22,126 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) [2024-04-06 18:35:22,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 18:35:22,148 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 18:35:22,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:22,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 18:35:22,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:22,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639391198] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:22,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:22,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-04-06 18:35:22,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662973844] [2024-04-06 18:35:22,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:22,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 18:35:22,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:22,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 18:35:22,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-04-06 18:35:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:22,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:22,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 12 states have internal predecessors, (27), 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) [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:22,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 18:35:22,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:22,678 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,SelfDestructingSolverStorable6 [2024-04-06 18:35:22,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:22,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:22,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1111233840, now seen corresponding path program 5 times [2024-04-06 18:35:22,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:22,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750530324] [2024-04-06 18:35:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:22,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:22,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:22,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750530324] [2024-04-06 18:35:22,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750530324] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:22,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117469683] [2024-04-06 18:35:22,785 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 18:35:22,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:22,786 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) [2024-04-06 18:35:22,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 18:35:22,815 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-06 18:35:22,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:22,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-06 18:35:22,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:22,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:35:22,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117469683] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:22,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:22,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 5] total 17 [2024-04-06 18:35:22,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844525471] [2024-04-06 18:35:22,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:22,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-06 18:35:22,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-06 18:35:22,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-04-06 18:35:22,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:22,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:22,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 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) [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 18:35:22,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:23,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 18:35:23,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-06 18:35:23,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:23,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:23,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:23,452 INFO L85 PathProgramCache]: Analyzing trace with hash -990053744, now seen corresponding path program 6 times [2024-04-06 18:35:23,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:23,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954646330] [2024-04-06 18:35:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 18:35:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954646330] [2024-04-06 18:35:23,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954646330] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:23,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50226317] [2024-04-06 18:35:23,554 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 18:35:23,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:23,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:23,556 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) [2024-04-06 18:35:23,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 18:35:23,586 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-04-06 18:35:23,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:23,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-06 18:35:23,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:23,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 18:35:23,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2024-04-06 18:35:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:23,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:24,623 INFO L349 Elim1Store]: treesize reduction 30, result has 94.3 percent of original size [2024-04-06 18:35:24,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 27 treesize of output 542 [2024-04-06 18:35:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:35:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50226317] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:30,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:30,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 18 [2024-04-06 18:35:30,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549260575] [2024-04-06 18:35:30,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:30,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 18:35:30,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:30,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 18:35:30,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-04-06 18:35:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:30,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:30,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 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) [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 18:35:30,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:35:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:35:31,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:31,201 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 [2024-04-06 18:35:31,202 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:31,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash -114130533, now seen corresponding path program 7 times [2024-04-06 18:35:31,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:31,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785313335] [2024-04-06 18:35:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:31,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:31,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785313335] [2024-04-06 18:35:31,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785313335] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:31,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654249203] [2024-04-06 18:35:31,298 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 18:35:31,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:31,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:31,299 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) [2024-04-06 18:35:31,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 18:35:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:31,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-06 18:35:31,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:35:31,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:35:31,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654249203] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:31,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:31,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 20 [2024-04-06 18:35:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521903234] [2024-04-06 18:35:31,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:31,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 18:35:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:31,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 18:35:31,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2024-04-06 18:35:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:31,479 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:31,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 20 states have internal predecessors, (37), 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) [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:35:31,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:35:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:35:31,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:31,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:31,841 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:31,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:31,841 INFO L85 PathProgramCache]: Analyzing trace with hash -110011496, now seen corresponding path program 8 times [2024-04-06 18:35:31,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:31,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141635195] [2024-04-06 18:35:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:31,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:31,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:31,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141635195] [2024-04-06 18:35:31,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141635195] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:31,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758352556] [2024-04-06 18:35:31,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 18:35:31,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:31,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:31,923 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) [2024-04-06 18:35:31,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 18:35:31,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 18:35:31,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:31,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-06 18:35:31,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:31,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:32,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758352556] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:35:32,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:35:32,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 18 [2024-04-06 18:35:32,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634841139] [2024-04-06 18:35:32,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:35:32,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 18:35:32,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:35:32,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 18:35:32,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-04-06 18:35:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:32,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:35:32,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.736842105263158) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:35:32,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:35:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:35:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:35:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:35:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:35:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:35:32,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 18:35:32,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:32,555 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:35:32,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:35:32,555 INFO L85 PathProgramCache]: Analyzing trace with hash 744104851, now seen corresponding path program 9 times [2024-04-06 18:35:32,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:35:32,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852796698] [2024-04-06 18:35:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:35:32,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:35:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:35:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:35:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:35:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852796698] [2024-04-06 18:35:32,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852796698] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:35:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241647571] [2024-04-06 18:35:32,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 18:35:32,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:35:32,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:35:32,657 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) [2024-04-06 18:35:32,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 18:35:32,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 18:35:32,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:35:32,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-06 18:35:32,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:35:32,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 18:35:32,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2024-04-06 18:35:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:35:33,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:35:36,300 INFO L349 Elim1Store]: treesize reduction 45, result has 96.3 percent of original size [2024-04-06 18:35:36,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 39 treesize of output 1247 [2024-04-06 18:36:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:36:32,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241647571] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:36:32,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:36:32,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 13] total 26 [2024-04-06 18:36:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716671454] [2024-04-06 18:36:32,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:36:32,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-06 18:36:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:36:32,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-06 18:36:32,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2024-04-06 18:36:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:32,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:36:32,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 26 states have internal predecessors, (44), 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) [2024-04-06 18:36:32,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:32,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:36:33,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 18:36:33,268 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,SelfDestructingSolverStorable11 [2024-04-06 18:36:33,268 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:36:33,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:36:33,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1957030472, now seen corresponding path program 10 times [2024-04-06 18:36:33,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:36:33,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920210793] [2024-04-06 18:36:33,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:36:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:36:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:36:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:36:33,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:36:33,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920210793] [2024-04-06 18:36:33,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920210793] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:36:33,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156365984] [2024-04-06 18:36:33,406 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 18:36:33,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:36:33,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:36:33,407 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) [2024-04-06 18:36:33,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 18:36:33,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 18:36:33,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:36:33,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 18:36:33,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:36:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:36:33,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:36:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:36:33,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156365984] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:36:33,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:36:33,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 26 [2024-04-06 18:36:33,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107020861] [2024-04-06 18:36:33,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:36:33,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-06 18:36:33,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:36:33,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-06 18:36:33,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-04-06 18:36:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:33,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:36:33,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 18:36:33,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:36:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:34,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:36:34,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 18:36:34,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:36:34,202 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:36:34,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:36:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash 448634805, now seen corresponding path program 11 times [2024-04-06 18:36:34,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:36:34,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124316466] [2024-04-06 18:36:34,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:36:34,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:36:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:36:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:36:34,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:36:34,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124316466] [2024-04-06 18:36:34,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124316466] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:36:34,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168945609] [2024-04-06 18:36:34,324 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 18:36:34,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:36:34,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:36:34,325 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) [2024-04-06 18:36:34,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 18:36:34,355 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-06 18:36:34,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:36:34,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 18:36:34,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:36:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:36:34,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:36:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:36:34,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168945609] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:36:34,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:36:34,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 24 [2024-04-06 18:36:34,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540973430] [2024-04-06 18:36:34,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:36:34,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 18:36:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:36:34,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 18:36:34,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2024-04-06 18:36:34,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:34,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:36:34,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 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) [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:36:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:36:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:36:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:36:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:36:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:36:34,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-06 18:36:35,065 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,SelfDestructingSolverStorable13 [2024-04-06 18:36:35,065 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:36:35,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:36:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 377785942, now seen corresponding path program 12 times [2024-04-06 18:36:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:36:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112388450] [2024-04-06 18:36:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:36:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:36:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:36:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 18:36:35,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:36:35,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112388450] [2024-04-06 18:36:35,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112388450] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:36:35,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943057211] [2024-04-06 18:36:35,253 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 18:36:35,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:36:35,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:36:35,254 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 18:36:35,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 18:36:35,284 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-06 18:36:35,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:36:35,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-06 18:36:35,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:36:35,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 18:36:35,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2024-04-06 18:36:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:36:38,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:36:45,579 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 1153 DAG size of output: 1117 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-06 18:36:45,579 INFO L349 Elim1Store]: treesize reduction 60, result has 97.3 percent of original size [2024-04-06 18:36:45,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 46 new quantified variables, introduced 276 case distinctions, treesize of input 51 treesize of output 2240 [2024-04-06 18:42:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 84 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 18:42:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943057211] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:42:21,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:42:21,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 17] total 34 [2024-04-06 18:42:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505915500] [2024-04-06 18:42:21,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:42:21,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-06 18:42:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:42:21,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-06 18:42:21,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2024-04-06 18:42:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:21,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:42:21,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 34 states have internal predecessors, (53), 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) [2024-04-06 18:42:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:21,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:21,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:22,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 18:42:22,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-06 18:42:22,365 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:42:22,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:42:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1451749355, now seen corresponding path program 13 times [2024-04-06 18:42:22,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:42:22,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806117378] [2024-04-06 18:42:22,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:42:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:42:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:42:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 60 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:42:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:42:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806117378] [2024-04-06 18:42:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806117378] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:42:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040924662] [2024-04-06 18:42:22,550 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 18:42:22,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:42:22,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:42:22,560 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 18:42:22,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 18:42:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:42:22,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 18:42:22,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:42:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 67 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:42:22,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:42:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 67 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 18:42:22,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040924662] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:42:22,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:42:22,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 32 [2024-04-06 18:42:22,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138631342] [2024-04-06 18:42:22,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:42:22,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 18:42:22,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:42:22,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 18:42:22,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=749, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 18:42:22,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:22,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:42:22,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 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) [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:22,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 18:42:23,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 18:42:23,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-06 18:42:23,399 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:42:23,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:42:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash -486233582, now seen corresponding path program 14 times [2024-04-06 18:42:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:42:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461633435] [2024-04-06 18:42:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:42:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:42:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:42:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:42:23,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:42:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461633435] [2024-04-06 18:42:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461633435] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:42:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299969236] [2024-04-06 18:42:23,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 18:42:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:42:23,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:42:23,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 18:42:23,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 18:42:23,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 18:42:23,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:42:23,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 18:42:23,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:42:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 20 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:42:23,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:42:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 20 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:42:23,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299969236] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 18:42:23,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 18:42:23,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 30 [2024-04-06 18:42:23,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214022295] [2024-04-06 18:42:23,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 18:42:23,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 18:42:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 18:42:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 18:42:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=658, Unknown=0, NotChecked=0, Total=930 [2024-04-06 18:42:24,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:24,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 18:42:24,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 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) [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 18:42:24,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 18:42:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 18:42:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 18:42:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 18:42:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 18:42:24,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-06 18:42:24,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-06 18:42:24,539 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 18:42:24,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 18:42:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1718383911, now seen corresponding path program 15 times [2024-04-06 18:42:24,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 18:42:24,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409709064] [2024-04-06 18:42:24,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 18:42:24,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 18:42:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 18:42:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-06 18:42:24,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 18:42:24,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409709064] [2024-04-06 18:42:24,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409709064] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 18:42:24,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738576279] [2024-04-06 18:42:24,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 18:42:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 18:42:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 18:42:24,750 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 18:42:24,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 18:42:24,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 18:42:24,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 18:42:24,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-06 18:42:24,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 18:42:25,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 18:42:25,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2024-04-06 18:42:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 18:42:36,244 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 18:42:52,463 WARN L293 SmtUtils]: Spent 15.99s on a formula simplification. DAG size of input: 1801 DAG size of output: 1756 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-06 18:42:52,463 INFO L349 Elim1Store]: treesize reduction 75, result has 97.8 percent of original size [2024-04-06 18:42:52,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 58 new quantified variables, introduced 435 case distinctions, treesize of input 63 treesize of output 3521 Received shutdown request... [2024-04-06 18:49:42,099 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 [2024-04-06 18:49:42,099 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 [2024-04-06 18:49:42,099 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 18:49:42,099 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-06 18:49:42,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-06 18:49:42,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-06 18:49:42,305 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-351-2-27-2-26-2-24-3-23-2-23-3-21-3-20-2-20-2-19-2-18-2-16-2-16-2-14-2-25-4-14-4-24-3-11-2-10-2-9-2-9-2-8-3-6-2-5-2-4-2-4-2-1 context. [2024-04-06 18:49:42,307 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-06 18:49:42,307 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-06 18:49:42,309 INFO L445 BasicCegarLoop]: Path program histogram: [15, 1, 1, 1] [2024-04-06 18:49:42,312 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 18:49:42,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 18:49:42,318 INFO L201 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 06:49:42 BasicIcfg [2024-04-06 18:49:42,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 18:49:42,319 INFO L158 Benchmark]: Toolchain (without parser) took 863531.57ms. Allocated memory was 270.5MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 241.3MB in the beginning and 1.0GB in the end (delta: -791.5MB). Peak memory consumption was 871.3MB. Max. memory is 8.0GB. [2024-04-06 18:49:42,319 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 18:49:42,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.83ms. Allocated memory is still 270.5MB. Free memory was 241.3MB in the beginning and 243.5MB in the end (delta: -2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 18:49:42,319 INFO L158 Benchmark]: Boogie Preprocessor took 12.59ms. Allocated memory is still 270.5MB. Free memory was 243.5MB in the beginning and 242.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 18:49:42,319 INFO L158 Benchmark]: RCFGBuilder took 239.23ms. Allocated memory is still 270.5MB. Free memory was 242.5MB in the beginning and 231.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-06 18:49:42,320 INFO L158 Benchmark]: TraceAbstraction took 863221.27ms. Allocated memory was 270.5MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 230.1MB in the beginning and 1.0GB in the end (delta: -802.7MB). Peak memory consumption was 861.9MB. Max. memory is 8.0GB. [2024-04-06 18:49:42,320 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 162.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.83ms. Allocated memory is still 270.5MB. Free memory was 241.3MB in the beginning and 243.5MB in the end (delta: -2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.59ms. Allocated memory is still 270.5MB. Free memory was 243.5MB in the beginning and 242.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.23ms. Allocated memory is still 270.5MB. Free memory was 242.5MB in the beginning and 231.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 863221.27ms. Allocated memory was 270.5MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 230.1MB in the beginning and 1.0GB in the end (delta: -802.7MB). Peak memory consumption was 861.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1609, independent: 944, independent conditional: 944, independent unconditional: 0, dependent: 665, dependent conditional: 665, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 944, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 944, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 944, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 299, independent unconditional: 645, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 944, independent: 944, independent conditional: 287, independent unconditional: 657, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 287, independent unconditional: 657, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, independent: 25, independent conditional: 4, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 944, independent: 919, independent conditional: 283, independent unconditional: 636, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 25, unknown conditional: 4, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 4, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 299, independent unconditional: 645, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 944, independent: 944, independent conditional: 287, independent unconditional: 657, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 944, independent: 944, independent conditional: 287, independent unconditional: 657, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, independent: 25, independent conditional: 4, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 944, independent: 919, independent conditional: 283, independent unconditional: 636, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 25, unknown conditional: 4, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 4, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12 ], Independence queries for same thread: 665 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-351-2-27-2-26-2-24-3-23-2-23-3-21-3-20-2-20-2-19-2-18-2-16-2-16-2-14-2-25-4-14-4-24-3-11-2-10-2-9-2-9-2-8-3-6-2-5-2-4-2-4-2-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-351-2-27-2-26-2-24-3-23-2-23-3-21-3-20-2-20-2-19-2-18-2-16-2-16-2-14-2-25-4-14-4-24-3-11-2-10-2-9-2-9-2-8-3-6-2-5-2-4-2-4-2-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-351-2-27-2-26-2-24-3-23-2-23-3-21-3-20-2-20-2-19-2-18-2-16-2-16-2-14-2-25-4-14-4-24-3-11-2-10-2-9-2-9-2-8-3-6-2-5-2-4-2-4-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 24 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 863.1s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 2.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 284, 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, 0.2s SatisfiabilityAnalysisTime, 417.6s InterpolantComputationTime, 627 NumberOfCodeBlocks, 627 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 878 ConstructedInterpolants, 0 QuantifiedInterpolants, 5715 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1102 ConjunctsInSsa, 228 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 571/1928 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown