/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 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 16:31:44,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 16:31:44,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 16:31:44,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 16:31:44,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 16:31:44,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 16:31:44,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 16:31:44,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 16:31:44,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 16:31:44,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 16:31:44,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 16:31:44,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 16:31:44,504 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 16:31:44,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 16:31:44,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 16:31:44,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 16:31:44,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 16:31:44,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 16:31:44,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 16:31:44,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 16:31:44,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 16:31:44,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 16:31:44,508 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 16:31:44,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 16:31:44,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 16:31:44,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 16:31:44,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 16:31:44,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-06 16:31:44,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 16:31:44,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 16:31:44,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 16:31:44,755 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 16:31:44,756 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 16:31:44,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2024-04-06 16:31:44,757 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2024-04-06 16:31:44,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 16:31:44,822 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 16:31:44,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 16:31:44,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 16:31:44,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 16:31:44,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,844 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 16:31:44,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 16:31:44,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 16:31:44,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 16:31:44,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 16:31:44,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 16:31:44,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 16:31:44,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 16:31:44,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 16:31:44,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/1) ... [2024-04-06 16:31:44,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 16:31:44,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:44,882 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 16:31:44,895 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 16:31:44,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 16:31:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 16:31:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 16:31:44,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 16:31:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 16:31:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 16:31:44,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 16:31:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 16:31:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 16:31:44,925 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 16:31:44,963 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 16:31:44,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 16:31:45,048 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 16:31:45,085 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 16:31:45,085 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 16:31:45,086 INFO L201 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:31:45 BoogieIcfgContainer [2024-04-06 16:31:45,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 16:31:45,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 16:31:45,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 16:31:45,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 16:31:45,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 04:31:44" (1/2) ... [2024-04-06 16:31:45,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18acee8c and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 04:31:45, skipping insertion in model container [2024-04-06 16:31:45,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 04:31:45" (2/2) ... [2024-04-06 16:31:45,093 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2024-04-06 16:31:45,100 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 16:31:45,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 16:31:45,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 16:31:45,115 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 16:31:45,137 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 16:31:45,169 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 16:31:45,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 16:31:45,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:45,174 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 16:31:45,185 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 16:31:45,216 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 16:31:45,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:45,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 16:31:45,234 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;@402257ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-06 16:31:45,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 16:31:45,255 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 16:31:45,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:45,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1951538971, now seen corresponding path program 1 times [2024-04-06 16:31:45,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:45,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094439047] [2024-04-06 16:31:45,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:45,391 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 16:31:45,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094439047] [2024-04-06 16:31:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094439047] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 16:31:45,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 16:31:45,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 16:31:45,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870494572] [2024-04-06 16:31:45,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 16:31:45,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 16:31:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:45,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 16:31:45,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 16:31:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:45,507 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 16:31:45,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:45,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 16:31:45,532 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 16:31:45,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:45,533 INFO L85 PathProgramCache]: Analyzing trace with hash 394791227, now seen corresponding path program 1 times [2024-04-06 16:31:45,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:45,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605499449] [2024-04-06 16:31:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:45,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:45,581 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 16:31:45,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:45,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605499449] [2024-04-06 16:31:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605499449] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 16:31:45,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 16:31:45,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 16:31:45,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955373175] [2024-04-06 16:31:45,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 16:31:45,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 16:31:45,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 16:31:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 16:31:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:45,659 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 16:31:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:45,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 16:31:45,718 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 16:31:45,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash 72304820, now seen corresponding path program 1 times [2024-04-06 16:31:45,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:45,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824284720] [2024-04-06 16:31:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:45,775 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 16:31:45,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824284720] [2024-04-06 16:31:45,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824284720] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 16:31:45,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 16:31:45,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 16:31:45,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41424448] [2024-04-06 16:31:45,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 16:31:45,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 16:31:45,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 16:31:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 16:31:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:45,806 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 16:31:45,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:45,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:45,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:45,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 16:31:45,835 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 16:31:45,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1987670338, now seen corresponding path program 1 times [2024-04-06 16:31:45,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:45,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564207432] [2024-04-06 16:31:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:45,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:45,892 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 16:31:45,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564207432] [2024-04-06 16:31:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564207432] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384173210] [2024-04-06 16:31:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:45,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:45,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:45,946 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 16:31:45,967 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 16:31:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:45,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 16:31:45,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:46,037 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 16:31:46,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:46,101 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 16:31:46,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384173210] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:46,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:46,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-04-06 16:31:46,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382036037] [2024-04-06 16:31:46,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:46,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 16:31:46,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:46,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 16:31:46,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-06 16:31:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:46,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:46,186 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 16:31:46,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:46,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:46,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,252 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 16:31:46,448 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 16:31:46,449 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 16:31:46,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1350340574, now seen corresponding path program 2 times [2024-04-06 16:31:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:46,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108695214] [2024-04-06 16:31:46,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:46,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:46,559 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 16:31:46,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:46,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108695214] [2024-04-06 16:31:46,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108695214] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:46,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502139121] [2024-04-06 16:31:46,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 16:31:46,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:46,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:46,561 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 16:31:46,583 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 16:31:46,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 16:31:46,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:31:46,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 16:31:46,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:46,642 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 16:31:46,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:46,694 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 16:31:46,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502139121] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:46,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:46,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-04-06 16:31:46,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796727946] [2024-04-06 16:31:46,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:46,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-06 16:31:46,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-06 16:31:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-04-06 16:31:46,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:46,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:46,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 11 states have internal predecessors, (31), 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 16:31:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:46,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 16:31:46,978 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 16:31:46,979 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 16:31:46,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:46,979 INFO L85 PathProgramCache]: Analyzing trace with hash -266265839, now seen corresponding path program 3 times [2024-04-06 16:31:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:46,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595168537] [2024-04-06 16:31:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 16:31:47,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:47,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595168537] [2024-04-06 16:31:47,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595168537] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:47,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131013754] [2024-04-06 16:31:47,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 16:31:47,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:47,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:47,143 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 16:31:47,170 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 16:31:47,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 16:31:47,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:31:47,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-06 16:31:47,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:47,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 16:31:47,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2024-04-06 16:31:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:47,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:47,598 INFO L349 Elim1Store]: treesize reduction 20, result has 91.1 percent of original size [2024-04-06 16:31:47,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 19 treesize of output 232 [2024-04-06 16:31:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 16:31:48,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131013754] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:48,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:48,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 12 [2024-04-06 16:31:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412389915] [2024-04-06 16:31:48,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:48,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 16:31:48,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:48,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 16:31:48,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-04-06 16:31:48,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:48,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:48,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 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 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:48,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:48,664 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 16:31:48,854 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 16:31:48,854 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 16:31:48,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:48,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1158542910, now seen corresponding path program 4 times [2024-04-06 16:31:48,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:48,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359839169] [2024-04-06 16:31:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:48,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:48,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359839169] [2024-04-06 16:31:48,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359839169] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565793083] [2024-04-06 16:31:48,914 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 16:31:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:48,915 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 16:31:48,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 16:31:48,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:31:48,941 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 16:31:48,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-06 16:31:48,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:48,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:49,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565793083] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:49,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:49,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-06 16:31:49,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557038711] [2024-04-06 16:31:49,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:49,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-06 16:31:49,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:49,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-06 16:31:49,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-04-06 16:31:49,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:49,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:49,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 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 16:31:49,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:49,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:31:49,181 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 16:31:49,362 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 16:31:49,363 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 16:31:49,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:49,363 INFO L85 PathProgramCache]: Analyzing trace with hash -790989311, now seen corresponding path program 5 times [2024-04-06 16:31:49,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:49,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813079663] [2024-04-06 16:31:49,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:49,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:49,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813079663] [2024-04-06 16:31:49,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813079663] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:49,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470938706] [2024-04-06 16:31:49,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 16:31:49,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:49,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:49,456 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 16:31:49,497 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 16:31:49,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-06 16:31:49,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:31:49,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-06 16:31:49,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:49,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470938706] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:49,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-06 16:31:49,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429843178] [2024-04-06 16:31:49,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:49,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-06 16:31:49,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:49,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-06 16:31:49,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-04-06 16:31:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:49,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:49,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 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 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:31:49,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:31:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:31:49,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 16:31:49,989 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 16:31:49,989 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 16:31:49,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2071984462, now seen corresponding path program 6 times [2024-04-06 16:31:49,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:49,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606382138] [2024-04-06 16:31:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:49,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:50,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606382138] [2024-04-06 16:31:50,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606382138] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834050184] [2024-04-06 16:31:50,093 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 16:31:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:50,094 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 16:31:50,096 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 16:31:50,127 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-04-06 16:31:50,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:31:50,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-06 16:31:50,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:50,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:50,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834050184] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:31:50,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:31:50,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-04-06 16:31:50,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187036819] [2024-04-06 16:31:50,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:31:50,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 16:31:50,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:31:50,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 16:31:50,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-04-06 16:31:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:50,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:31:50,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 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 16:31:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:50,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:31:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:31:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:31:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:31:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 16:31:50,549 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 16:31:50,727 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 16:31:50,728 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 16:31:50,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:31:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash 264724801, now seen corresponding path program 7 times [2024-04-06 16:31:50,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:31:50,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975300916] [2024-04-06 16:31:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:31:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:31:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 16:31:50,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:31:50,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975300916] [2024-04-06 16:31:50,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975300916] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:31:50,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433222117] [2024-04-06 16:31:50,923 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 16:31:50,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:31:50,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:31:50,934 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 16:31:50,950 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 16:31:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:31:50,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-06 16:31:50,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:31:51,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 16:31:51,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2024-04-06 16:31:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:31:51,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:31:53,455 INFO L349 Elim1Store]: treesize reduction 40, result has 95.8 percent of original size [2024-04-06 16:31:53,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 35 treesize of output 980 [2024-04-06 16:32:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 16:32:22,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433222117] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:32:22,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:32:22,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 11] total 22 [2024-04-06 16:32:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159346644] [2024-04-06 16:32:22,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:32:22,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-06 16:32:22,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:32:22,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-06 16:32:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2024-04-06 16:32:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:22,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:32:22,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 22 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 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 16:32:22,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 16:32:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:22,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-06 16:32:22,541 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 16:32:22,541 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 16:32:22,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:32:22,542 INFO L85 PathProgramCache]: Analyzing trace with hash 439383566, now seen corresponding path program 8 times [2024-04-06 16:32:22,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:32:22,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052626450] [2024-04-06 16:32:22,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:32:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:32:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:32:22,677 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 16:32:22,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:32:22,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052626450] [2024-04-06 16:32:22,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052626450] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:32:22,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43147134] [2024-04-06 16:32:22,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 16:32:22,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:32:22,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:32:22,696 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 16:32:22,772 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 16:32:22,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 16:32:22,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:32:22,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-06 16:32:22,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:32:22,830 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 16:32:22,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:32:22,956 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 16:32:22,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43147134] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:32:22,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:32:22,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2024-04-06 16:32:22,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552983624] [2024-04-06 16:32:22,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:32:22,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 16:32:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:32:22,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 16:32:22,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2024-04-06 16:32:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:22,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:32:22,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 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 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:22,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:32:23,304 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 16:32:23,502 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 16:32:23,502 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 16:32:23,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:32:23,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1527235733, now seen corresponding path program 9 times [2024-04-06 16:32:23,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:32:23,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673793950] [2024-04-06 16:32:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:32:23,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:32:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:32:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:32:23,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:32:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673793950] [2024-04-06 16:32:23,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673793950] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:32:23,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446221176] [2024-04-06 16:32:23,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 16:32:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:32:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:32:23,609 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 16:32:23,633 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 16:32:23,637 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 16:32:23,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:32:23,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-06 16:32:23,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:32:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:32:23,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:32:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:32:23,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446221176] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:32:23,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:32:23,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2024-04-06 16:32:23,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772740455] [2024-04-06 16:32:23,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:32:23,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 16:32:23,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:32:23,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 16:32:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2024-04-06 16:32:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:23,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:32:23,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 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 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:32:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:32:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:32:24,038 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 16:32:24,232 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 16:32:24,233 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 16:32:24,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:32:24,233 INFO L85 PathProgramCache]: Analyzing trace with hash 723181860, now seen corresponding path program 10 times [2024-04-06 16:32:24,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:32:24,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716492735] [2024-04-06 16:32:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:32:24,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:32:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:32:24,440 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 16:32:24,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:32:24,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716492735] [2024-04-06 16:32:24,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716492735] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:32:24,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197891450] [2024-04-06 16:32:24,440 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 16:32:24,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:32:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:32:24,461 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 16:32:24,488 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 16:32:24,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 16:32:24,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:32:24,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 16:32:24,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:32:24,596 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 16:32:24,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:32:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:32:24,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197891450] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:32:24,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:32:24,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2024-04-06 16:32:24,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546907603] [2024-04-06 16:32:24,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:32:24,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 16:32:24,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:32:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 16:32:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 16:32:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:24,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:32:24,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 32 states have internal predecessors, (47), 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 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:32:24,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:32:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:32:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 16:32:25,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-06 16:32:25,469 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 16:32:25,469 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 16:32:25,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:32:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1800429995, now seen corresponding path program 11 times [2024-04-06 16:32:25,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:32:25,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27948783] [2024-04-06 16:32:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:32:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:32:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:32:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 16:32:25,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:32:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27948783] [2024-04-06 16:32:25,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27948783] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:32:25,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417345923] [2024-04-06 16:32:25,703 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 16:32:25,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:32:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:32:25,704 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 16:32:25,728 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 16:32:25,735 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-06 16:32:25,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:32:25,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-06 16:32:25,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:32:26,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 16:32:26,242 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 16:32:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:32:31,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:32:36,917 WARN L293 SmtUtils]: Spent 5.31s 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 16:32:36,929 INFO L349 Elim1Store]: treesize reduction 60, result has 97.3 percent of original size [2024-04-06 16:32:36,930 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 16:38:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 16:38:04,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417345923] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:38:04,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:38:04,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 16] total 32 [2024-04-06 16:38:04,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497243822] [2024-04-06 16:38:04,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:38:04,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 16:38:04,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:38:04,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 16:38:04,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 16:38:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:04,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:38:04,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 32 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 16:38:04,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 16:38:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:05,197 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 16:38:05,390 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 16:38:05,391 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 16:38:05,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:38:05,391 INFO L85 PathProgramCache]: Analyzing trace with hash 801604324, now seen corresponding path program 12 times [2024-04-06 16:38:05,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:38:05,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527326264] [2024-04-06 16:38:05,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:38:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:38:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:38:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:05,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:38:05,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527326264] [2024-04-06 16:38:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527326264] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:38:05,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088936424] [2024-04-06 16:38:05,568 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 16:38:05,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:38:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:38:05,574 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 16:38:05,577 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 16:38:05,623 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-06 16:38:05,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:38:05,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-06 16:38:05,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:38:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:05,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:38:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:05,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088936424] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:38:05,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:38:05,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2024-04-06 16:38:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624223095] [2024-04-06 16:38:05,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:38:05,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-06 16:38:05,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:38:05,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-06 16:38:05,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2024-04-06 16:38:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:05,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:38:05,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 16:38:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:05,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:05,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-06 16:38:06,373 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 16:38:06,560 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 16:38:06,560 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 16:38:06,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:38:06,560 INFO L85 PathProgramCache]: Analyzing trace with hash 894952551, now seen corresponding path program 13 times [2024-04-06 16:38:06,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:38:06,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448159311] [2024-04-06 16:38:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:38:06,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:38:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:38:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 9 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:06,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:38:06,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448159311] [2024-04-06 16:38:06,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448159311] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:38:06,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875218124] [2024-04-06 16:38:06,707 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 16:38:06,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:38:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:38:06,714 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 16:38:06,767 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 16:38:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:38:06,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-06 16:38:06,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:38:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:06,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:38:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:07,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875218124] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:38:07,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:38:07,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2024-04-06 16:38:07,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806255797] [2024-04-06 16:38:07,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:38:07,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-06 16:38:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:38:07,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-06 16:38:07,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2024-04-06 16:38:07,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:07,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:38:07,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-06 16:38:07,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-06 16:38:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 16:38:07,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-06 16:38:07,629 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 16:38:07,630 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 16:38:07,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:38:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1498392664, now seen corresponding path program 14 times [2024-04-06 16:38:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:38:07,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640673249] [2024-04-06 16:38:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:38:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:38:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:38:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:07,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:38:07,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640673249] [2024-04-06 16:38:07,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640673249] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:38:07,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311835940] [2024-04-06 16:38:07,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 16:38:07,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:38:07,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:38:07,892 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 16:38:07,896 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 16:38:07,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 16:38:07,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:38:07,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-06 16:38:07,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:38:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:08,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:38:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:08,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311835940] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 16:38:08,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 16:38:08,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-06 16:38:08,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690261921] [2024-04-06 16:38:08,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 16:38:08,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-06 16:38:08,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 16:38:08,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-06 16:38:08,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1635, Unknown=0, NotChecked=0, Total=1980 [2024-04-06 16:38:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:08,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 16:38:08,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 44 states have internal predecessors, (59), 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 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 16:38:08,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 16:38:09,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 16:38:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 16:38:09,296 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 16:38:09,490 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 16:38:09,490 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 16:38:09,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 16:38:09,490 INFO L85 PathProgramCache]: Analyzing trace with hash 24849575, now seen corresponding path program 15 times [2024-04-06 16:38:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 16:38:09,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376147999] [2024-04-06 16:38:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 16:38:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 16:38:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 16:38:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 16:38:09,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 16:38:09,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376147999] [2024-04-06 16:38:09,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376147999] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 16:38:09,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331277741] [2024-04-06 16:38:09,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 16:38:09,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 16:38:09,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 16:38:09,719 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 16:38:09,721 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 16:38:09,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 16:38:09,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 16:38:09,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-06 16:38:09,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 16:38:11,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 16:38:11,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 31 new quantified variables, introduced 120 case distinctions, treesize of input 71 treesize of output 1012 [2024-04-06 16:38:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 16:38:25,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 16:38:40,651 WARN L293 SmtUtils]: Spent 14.72s on a formula simplification. DAG size of input: 2049 DAG size of output: 2001 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-06 16:38:40,653 INFO L349 Elim1Store]: treesize reduction 80, result has 98.0 percent of original size [2024-04-06 16:38:40,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 62 new quantified variables, introduced 496 case distinctions, treesize of input 67 treesize of output 4012 Received shutdown request... [2024-04-06 16:46:09,162 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-06 16:46:09,163 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 16:46:09,163 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 16:46:09,163 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 16:46:09,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-06 16:46:09,364 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 16:46:09,364 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-15-3-19-2-8-4-16-2-11-3-15-3-13-2-12-2-8-2-8-2-7-3-6-2-7-2-4-2-3-2-4-2-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 13 xjuncts wrt. a ∧-477-29-4-30-4-27-2-26-3-25-3-18-2-24-2-16-4-20-2-12-4-17-3-16-4-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. [2024-04-06 16:46:09,366 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-06 16:46:09,366 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-06 16:46:09,369 INFO L445 BasicCegarLoop]: Path program histogram: [15, 1, 1, 1] [2024-04-06 16:46:09,374 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 16:46:09,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 16:46:09,377 INFO L201 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 04:46:09 BasicIcfg [2024-04-06 16:46:09,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 16:46:09,377 INFO L158 Benchmark]: Toolchain (without parser) took 864555.36ms. Allocated memory was 302.0MB in the beginning and 1.3GB in the end (delta: 999.3MB). Free memory was 273.4MB in the beginning and 550.5MB in the end (delta: -277.1MB). Peak memory consumption was 814.9MB. Max. memory is 8.0GB. [2024-04-06 16:46:09,378 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 302.0MB. Free memory is still 267.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 16:46:09,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.88ms. Allocated memory is still 302.0MB. Free memory was 273.4MB in the beginning and 271.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 16:46:09,378 INFO L158 Benchmark]: Boogie Preprocessor took 12.30ms. Allocated memory is still 302.0MB. Free memory was 271.8MB in the beginning and 270.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 16:46:09,378 INFO L158 Benchmark]: RCFGBuilder took 227.01ms. Allocated memory is still 302.0MB. Free memory was 270.8MB in the beginning and 259.0MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 16:46:09,379 INFO L158 Benchmark]: TraceAbstraction took 864288.73ms. Allocated memory was 302.0MB in the beginning and 1.3GB in the end (delta: 999.3MB). Free memory was 257.9MB in the beginning and 550.5MB in the end (delta: -292.6MB). Peak memory consumption was 800.2MB. Max. memory is 8.0GB. [2024-04-06 16:46:09,379 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 0.10ms. Allocated memory is still 302.0MB. Free memory is still 267.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.88ms. Allocated memory is still 302.0MB. Free memory was 273.4MB in the beginning and 271.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.30ms. Allocated memory is still 302.0MB. Free memory was 271.8MB in the beginning and 270.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 227.01ms. Allocated memory is still 302.0MB. Free memory was 270.8MB in the beginning and 259.0MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 864288.73ms. Allocated memory was 302.0MB in the beginning and 1.3GB in the end (delta: 999.3MB). Free memory was 257.9MB in the beginning and 550.5MB in the end (delta: -292.6MB). Peak memory consumption was 800.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1518, independent: 870, independent conditional: 870, independent unconditional: 0, dependent: 648, dependent conditional: 648, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 870, independent: 870, independent conditional: 870, 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: 870, independent: 870, independent conditional: 870, 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: 870, independent: 870, independent conditional: 870, 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: 870, independent: 870, independent conditional: 276, independent unconditional: 594, 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: 870, independent: 870, independent conditional: 266, independent unconditional: 604, 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: 870, independent: 870, independent conditional: 266, independent unconditional: 604, 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: 29, independent: 29, independent conditional: 6, independent unconditional: 23, 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: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 870, independent: 841, independent conditional: 260, independent unconditional: 581, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 29, unknown conditional: 6, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 6, Positive unconditional cache size: 23, 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: 10, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 870, independent: 870, independent conditional: 276, independent unconditional: 594, 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: 870, independent: 870, independent conditional: 266, independent unconditional: 604, 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: 870, independent: 870, independent conditional: 266, independent unconditional: 604, 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: 29, independent: 29, independent conditional: 6, independent unconditional: 23, 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: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 870, independent: 841, independent conditional: 260, independent unconditional: 581, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 29, unknown conditional: 6, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 29, Positive conditional cache size: 6, Positive unconditional cache size: 23, 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: 10 ], Independence queries for same thread: 648 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-15-3-19-2-8-4-16-2-11-3-15-3-13-2-12-2-8-2-8-2-7-3-6-2-7-2-4-2-3-2-4-2-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 13 xjuncts wrt. a ∧-477-29-4-30-4-27-2-26-3-25-3-18-2-24-2-16-4-20-2-12-4-17-3-16-4-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-15-3-19-2-8-4-16-2-11-3-15-3-13-2-12-2-8-2-8-2-7-3-6-2-7-2-4-2-3-2-4-2-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 13 xjuncts wrt. a ∧-477-29-4-30-4-27-2-26-3-25-3-18-2-24-2-16-4-20-2-12-4-17-3-16-4-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-15-3-19-2-8-4-16-2-11-3-15-3-13-2-12-2-8-2-8-2-7-3-6-2-7-2-4-2-3-2-4-2-2-2-2-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 13 xjuncts wrt. a ∧-477-29-4-30-4-27-2-26-3-25-3-18-2-24-2-16-4-20-2-12-4-17-3-16-4-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 24 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.2s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 3.8s, 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: 337, 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, 375.9s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 866 ConstructedInterpolants, 0 QuantifiedInterpolants, 5731 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1082 ConjunctsInSsa, 228 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 334/1853 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