/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 09:57:28,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 09:57:28,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 09:57:28,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 09:57:28,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 09:57:28,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 09:57:28,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 09:57:28,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 09:57:28,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 09:57:28,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 09:57:28,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 09:57:28,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 09:57:28,501 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 09:57:28,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 09:57:28,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 09:57:28,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 09:57:28,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 09:57:28,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 09:57:28,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 09:57:28,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 09:57:28,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 09:57:28,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 09:57:28,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 09:57:28,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 09:57:28,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 09:57:28,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 09:57:28,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 09:57:28,505 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 09:57:28,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 09:57:28,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 09:57:28,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 09:57:28,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 09:57:28,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 09:57:28,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 09:57:28,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 09:57:28,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 09:57:28,717 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 09:57:28,718 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 09:57:28,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl [2024-04-28 09:57:28,719 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-queue.wvr.bpl' [2024-04-28 09:57:28,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 09:57:28,781 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 09:57:28,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 09:57:28,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 09:57:28,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 09:57:28,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,819 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 09:57:28,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 09:57:28,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 09:57:28,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 09:57:28,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 09:57:28,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 09:57:28,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 09:57:28,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 09:57:28,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 09:57:28,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/1) ... [2024-04-28 09:57:28,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 09:57:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:28,898 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) [2024-04-28 09:57:28,917 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 [2024-04-28 09:57:28,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 09:57:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 09:57:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 09:57:28,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 09:57:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 09:57:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 09:57:28,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 09:57:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 09:57:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 09:57:28,940 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 09:57:28,981 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 09:57:28,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 09:57:29,089 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 09:57:29,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 09:57:29,103 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-28 09:57:29,108 INFO L201 PluginConnector]: Adding new model simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:57:29 BoogieIcfgContainer [2024-04-28 09:57:29,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 09:57:29,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 09:57:29,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 09:57:29,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 09:57:29,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:57:28" (1/2) ... [2024-04-28 09:57:29,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6921107 and model type simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:57:29, skipping insertion in model container [2024-04-28 09:57:29,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:57:29" (2/2) ... [2024-04-28 09:57:29,126 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-queue.wvr.bpl [2024-04-28 09:57:29,132 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 09:57:29,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 09:57:29,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 09:57:29,140 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 09:57:29,183 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-28 09:57:29,216 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 09:57:29,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 09:57:29,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:29,218 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) [2024-04-28 09:57:29,225 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 [2024-04-28 09:57:29,252 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 09:57:29,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:29,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 09:57:29,276 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;@5482347f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-28 09:57:29,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-28 09:57:29,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:29,526 INFO L85 PathProgramCache]: Analyzing trace with hash 61921, now seen corresponding path program 1 times [2024-04-28 09:57:29,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:29,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:57:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:29,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:29,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:29,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2140506200, now seen corresponding path program 1 times [2024-04-28 09:57:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:29,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203000390] [2024-04-28 09:57:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:29,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:29,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203000390] [2024-04-28 09:57:29,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203000390] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:57:29,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 09:57:29,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-28 09:57:29,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251954372] [2024-04-28 09:57:29,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:57:29,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 09:57:29,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:29,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 09:57:29,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 09:57:29,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:29,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:29,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-04-28 09:57:29,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:29,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:29,805 INFO L85 PathProgramCache]: Analyzing trace with hash 61921, now seen corresponding path program 2 times [2024-04-28 09:57:29,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:29,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:29,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:57:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:29,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-04-28 09:57:29,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:29,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:29,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1931918671, now seen corresponding path program 1 times [2024-04-28 09:57:29,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:29,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834528390] [2024-04-28 09:57:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:29,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834528390] [2024-04-28 09:57:29,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834528390] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:57:29,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 09:57:29,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-28 09:57:29,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476127981] [2024-04-28 09:57:29,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:57:29,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 09:57:29,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 09:57:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 09:57:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:29,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:29,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-04-28 09:57:29,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:29,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:29,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:29,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1919590, now seen corresponding path program 1 times [2024-04-28 09:57:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:29,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 09:57:30,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-28 09:57:30,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash 59507331, now seen corresponding path program 1 times [2024-04-28 09:57:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:30,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:57:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-28 09:57:30,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:30,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:30,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1279661946, now seen corresponding path program 1 times [2024-04-28 09:57:30,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:30,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658501917] [2024-04-28 09:57:30,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658501917] [2024-04-28 09:57:30,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658501917] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879849284] [2024-04-28 09:57:30,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:30,301 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) [2024-04-28 09:57:30,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 09:57:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:30,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-28 09:57:30,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:30,360 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:57:30,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-04-28 09:57:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879849284] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:30,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:30,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-04-28 09:57:30,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064200938] [2024-04-28 09:57:30,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:30,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-28 09:57:30,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-28 09:57:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-28 09:57:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:30,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:30,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2024-04-28 09:57:30,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:30,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:30,510 INFO L85 PathProgramCache]: Analyzing trace with hash 59507331, now seen corresponding path program 2 times [2024-04-28 09:57:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:30,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:57:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:30,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:30,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7 [2024-04-28 09:57:30,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:30,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1015550573, now seen corresponding path program 2 times [2024-04-28 09:57:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:30,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245057201] [2024-04-28 09:57:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:30,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245057201] [2024-04-28 09:57:30,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245057201] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108223964] [2024-04-28 09:57:30,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:57:30,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:30,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:30,781 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) [2024-04-28 09:57:30,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 09:57:30,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:57:30,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:30,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-28 09:57:30,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:57:30,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-28 09:57:30,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108223964] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:57:30,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-28 09:57:30,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-28 09:57:30,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350673460] [2024-04-28 09:57:30,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:57:30,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 09:57:30,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:30,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 09:57:30,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-28 09:57:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:30,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:30,826 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) [2024-04-28 09:57:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:30,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:31,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-28 09:57:31,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:31,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:31,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1357945316, now seen corresponding path program 3 times [2024-04-28 09:57:31,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:31,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52723099] [2024-04-28 09:57:31,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:31,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:57:31,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:31,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52723099] [2024-04-28 09:57:31,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52723099] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:31,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412083766] [2024-04-28 09:57:31,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:57:31,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:31,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:31,177 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) [2024-04-28 09:57:31,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 09:57:31,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-28 09:57:31,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:31,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-28 09:57:31,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:57:31,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:31,252 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:57:31,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-04-28 09:57:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:57:31,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412083766] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:31,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:31,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-04-28 09:57:31,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203460557] [2024-04-28 09:57:31,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:31,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-28 09:57:31,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-28 09:57:31,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-28 09:57:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:31,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:31,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-04-28 09:57:31,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:31,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:31,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:31,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:57:31,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1303636455, now seen corresponding path program 3 times [2024-04-28 09:57:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:31,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:57:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:57:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:31,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:31,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:31,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:31,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1274270345, now seen corresponding path program 4 times [2024-04-28 09:57:31,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:31,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921586460] [2024-04-28 09:57:31,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:31,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:31,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921586460] [2024-04-28 09:57:31,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921586460] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:31,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566130035] [2024-04-28 09:57:31,726 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 09:57:31,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:31,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:31,727 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) [2024-04-28 09:57:31,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 09:57:31,765 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 09:57:31,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:31,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-28 09:57:31,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:31,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:31,805 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:31,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:31,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566130035] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:31,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:31,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 8 [2024-04-28 09:57:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555239127] [2024-04-28 09:57:31,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:31,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-28 09:57:31,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-28 09:57:31,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-04-28 09:57:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:31,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:31,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 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) [2024-04-28 09:57:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:31,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:31,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:31,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:31,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:32,093 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,SelfDestructingSolverStorable12 [2024-04-28 09:57:32,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:32,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash 848410942, now seen corresponding path program 5 times [2024-04-28 09:57:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43216635] [2024-04-28 09:57:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:32,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43216635] [2024-04-28 09:57:32,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43216635] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819924750] [2024-04-28 09:57:32,207 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 09:57:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:32,213 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) [2024-04-28 09:57:32,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 09:57:32,238 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-28 09:57:32,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:32,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-28 09:57:32,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:32,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:32,279 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:32,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:32,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819924750] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:32,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:32,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 10 [2024-04-28 09:57:32,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017399135] [2024-04-28 09:57:32,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:32,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-28 09:57:32,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-28 09:57:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-04-28 09:57:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:32,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:32,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 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) [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:32,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-28 09:57:32,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-28 09:57:32,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:32,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash -289076020, now seen corresponding path program 6 times [2024-04-28 09:57:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:32,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977727041] [2024-04-28 09:57:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:32,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:32,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977727041] [2024-04-28 09:57:32,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977727041] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:32,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626074156] [2024-04-28 09:57:32,743 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 09:57:32,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:32,745 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) [2024-04-28 09:57:32,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-28 09:57:32,771 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-28 09:57:32,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:32,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-28 09:57:32,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:32,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:32,815 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:32,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:32,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626074156] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:32,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:32,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2024-04-28 09:57:32,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521406174] [2024-04-28 09:57:32,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:32,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-28 09:57:32,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:32,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-28 09:57:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-04-28 09:57:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:32,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:32,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 10 states have internal predecessors, (18), 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) [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:32,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:32,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:32,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:32,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:32,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:32,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:33,176 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,SelfDestructingSolverStorable14 [2024-04-28 09:57:33,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:33,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:33,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1165086270, now seen corresponding path program 7 times [2024-04-28 09:57:33,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246758353] [2024-04-28 09:57:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:33,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:33,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246758353] [2024-04-28 09:57:33,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246758353] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:33,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046653337] [2024-04-28 09:57:33,314 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 09:57:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:33,333 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) [2024-04-28 09:57:33,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-28 09:57:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:33,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-28 09:57:33,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:33,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:33,434 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:33,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:33,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046653337] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:33,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 14 [2024-04-28 09:57:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841310215] [2024-04-28 09:57:33,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-28 09:57:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-28 09:57:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-04-28 09:57:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:33,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:33,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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) [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:33,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:33,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:33,863 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:33,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash 167185996, now seen corresponding path program 8 times [2024-04-28 09:57:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:33,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376580395] [2024-04-28 09:57:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:34,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376580395] [2024-04-28 09:57:34,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376580395] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151953847] [2024-04-28 09:57:34,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:57:34,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:34,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:34,055 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) [2024-04-28 09:57:34,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-28 09:57:34,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:57:34,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:34,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-28 09:57:34,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:34,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:34,137 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:34,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:34,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151953847] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:34,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:34,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 16 [2024-04-28 09:57:34,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427170833] [2024-04-28 09:57:34,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:34,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-28 09:57:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:34,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-28 09:57:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-04-28 09:57:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:34,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:34,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:34,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:34,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-28 09:57:34,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-28 09:57:34,606 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:34,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash 478925630, now seen corresponding path program 9 times [2024-04-28 09:57:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:34,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840254220] [2024-04-28 09:57:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:34,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 87 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:34,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:34,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840254220] [2024-04-28 09:57:34,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840254220] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:34,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328365249] [2024-04-28 09:57:34,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:57:34,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:34,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:34,825 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) [2024-04-28 09:57:34,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-28 09:57:34,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-28 09:57:34,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:34,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-28 09:57:34,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:34,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:34,947 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:34,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328365249] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:34,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:34,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 18 [2024-04-28 09:57:34,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264977996] [2024-04-28 09:57:34,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:34,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-28 09:57:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-28 09:57:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-04-28 09:57:34,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:34,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:34,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 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) [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:34,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:35,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:35,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:35,521 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,SelfDestructingSolverStorable17 [2024-04-28 09:57:35,521 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:35,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash -829562932, now seen corresponding path program 10 times [2024-04-28 09:57:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:35,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74702626] [2024-04-28 09:57:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:35,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:35,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74702626] [2024-04-28 09:57:35,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74702626] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:35,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812871616] [2024-04-28 09:57:35,744 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 09:57:35,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:35,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:35,762 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) [2024-04-28 09:57:35,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-28 09:57:35,811 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 09:57:35,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:35,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjunts are in the unsatisfiable core [2024-04-28 09:57:35,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:35,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:35,884 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:35,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:35,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812871616] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:35,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:35,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 20 [2024-04-28 09:57:35,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462214933] [2024-04-28 09:57:35,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:35,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-28 09:57:35,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:35,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-28 09:57:35,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2024-04-28 09:57:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:35,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:35,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:57:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:35,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:35,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:36,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:36,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:36,572 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:36,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:36,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1208731710, now seen corresponding path program 11 times [2024-04-28 09:57:36,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:36,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299391764] [2024-04-28 09:57:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:36,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 1 proven. 129 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:36,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:36,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299391764] [2024-04-28 09:57:36,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299391764] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:36,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905692589] [2024-04-28 09:57:36,837 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 09:57:36,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:36,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:36,838 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) [2024-04-28 09:57:36,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-28 09:57:36,892 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-28 09:57:36,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:36,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-28 09:57:36,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:36,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:36,950 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:36,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-28 09:57:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:36,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905692589] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:36,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:36,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 22 [2024-04-28 09:57:36,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656185] [2024-04-28 09:57:36,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:36,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-28 09:57:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:36,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-28 09:57:36,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2024-04-28 09:57:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:36,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:36,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 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) [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-28 09:57:37,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:37,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:37,775 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 09:57:37,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:37,775 INFO L85 PathProgramCache]: Analyzing trace with hash 326992204, now seen corresponding path program 12 times [2024-04-28 09:57:37,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:37,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301508850] [2024-04-28 09:57:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:57:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:38,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301508850] [2024-04-28 09:57:38,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301508850] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:38,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242242997] [2024-04-28 09:57:38,109 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 09:57:38,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:38,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:38,111 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) [2024-04-28 09:57:38,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-28 09:57:38,144 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-28 09:57:38,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:38,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-28 09:57:38,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 48 proven. 104 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:38,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:39,411 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:57:39,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-04-28 09:57:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 36 proven. 116 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 09:57:39,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242242997] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:39,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:39,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 52 [2024-04-28 09:57:39,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17710675] [2024-04-28 09:57:39,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:39,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-28 09:57:39,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:39,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-28 09:57:39,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2024-04-28 09:57:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:39,591 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:39,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.320754716981132) internal successors, (70), 52 states have internal predecessors, (70), 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) [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-28 09:57:39,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-28 09:57:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-28 09:57:42,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-28 09:57:42,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-28 09:57:42,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-28 09:57:42,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-28 09:57:42,399 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,SelfDestructingSolverStorable20 [2024-04-28 09:57:42,404 INFO L448 BasicCegarLoop]: Path program histogram: [12, 3, 2, 1, 1, 1] [2024-04-28 09:57:42,408 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-28 09:57:42,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-28 09:57:42,410 INFO L201 PluginConnector]: Adding new model simple-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:57:42 BasicIcfg [2024-04-28 09:57:42,410 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-28 09:57:42,412 INFO L158 Benchmark]: Toolchain (without parser) took 13629.59ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 135.9MB in the beginning and 230.2MB in the end (delta: -94.2MB). Peak memory consumption was 42.3MB. Max. memory is 8.0GB. [2024-04-28 09:57:42,412 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.08ms. Allocated memory is still 157.3MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 09:57:42,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.01ms. Allocated memory is still 157.3MB. Free memory was 135.7MB in the beginning and 134.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 09:57:42,413 INFO L158 Benchmark]: Boogie Preprocessor took 19.52ms. Allocated memory is still 157.3MB. Free memory was 134.2MB in the beginning and 133.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 09:57:42,413 INFO L158 Benchmark]: RCFGBuilder took 265.29ms. Allocated memory is still 157.3MB. Free memory was 133.2MB in the beginning and 123.5MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-28 09:57:42,413 INFO L158 Benchmark]: TraceAbstraction took 13300.40ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 122.3MB in the beginning and 230.2MB in the end (delta: -107.8MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2024-04-28 09:57:42,414 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 0.08ms. Allocated memory is still 157.3MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.01ms. Allocated memory is still 157.3MB. Free memory was 135.7MB in the beginning and 134.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.52ms. Allocated memory is still 157.3MB. Free memory was 134.2MB in the beginning and 133.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 265.29ms. Allocated memory is still 157.3MB. Free memory was 133.2MB in the beginning and 123.5MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 13300.40ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 122.3MB in the beginning and 230.2MB in the end (delta: -107.8MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3636, independent: 2087, independent conditional: 2075, independent unconditional: 12, dependent: 1549, dependent conditional: 1527, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2140, independent: 2087, independent conditional: 2075, independent unconditional: 12, dependent: 53, dependent conditional: 51, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2140, independent: 2087, independent conditional: 2075, independent unconditional: 12, dependent: 53, dependent conditional: 51, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2140, independent: 2087, independent conditional: 2075, independent unconditional: 12, dependent: 53, dependent conditional: 51, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 1139, independent unconditional: 948, dependent: 484, dependent conditional: 301, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 744, independent unconditional: 1343, dependent: 484, dependent conditional: 266, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 744, independent unconditional: 1343, dependent: 484, dependent conditional: 266, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, independent: 61, independent conditional: 48, independent unconditional: 13, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 49, independent conditional: 48, independent unconditional: 1, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 49, independent conditional: 48, independent unconditional: 1, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, independent: 96, independent conditional: 82, independent unconditional: 14, dependent: 141, dependent conditional: 103, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2571, independent: 2026, independent conditional: 696, independent unconditional: 1330, dependent: 424, dependent conditional: 207, dependent unconditional: 217, unknown: 121, unknown conditional: 107, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 61, Positive conditional cache size: 48, Positive unconditional cache size: 13, Negative cache size: 60, Negative conditional cache size: 59, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 430, Maximal queried relation: 12, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 1139, independent unconditional: 948, dependent: 484, dependent conditional: 301, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 744, independent unconditional: 1343, dependent: 484, dependent conditional: 266, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2571, independent: 2087, independent conditional: 744, independent unconditional: 1343, dependent: 484, dependent conditional: 266, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, independent: 61, independent conditional: 48, independent unconditional: 13, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 49, independent conditional: 48, independent unconditional: 1, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 49, independent conditional: 48, independent unconditional: 1, dependent: 60, dependent conditional: 59, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, independent: 96, independent conditional: 82, independent unconditional: 14, dependent: 141, dependent conditional: 103, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2571, independent: 2026, independent conditional: 696, independent unconditional: 1330, dependent: 424, dependent conditional: 207, dependent unconditional: 217, unknown: 121, unknown conditional: 107, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 61, Positive conditional cache size: 48, Positive unconditional cache size: 13, Negative cache size: 60, Negative conditional cache size: 59, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 430 ], Independence queries for same thread: 1496 - PositiveResult [Line: 46]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 5.9s, 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: 159, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 756 ConstructedInterpolants, 23 QuantifiedInterpolants, 3622 SizeOfPredicates, 23 NumberOfNonLiveVariables, 957 ConjunctsInSsa, 313 ConjunctsInUnsatCore, 37 InterpolantComputations, 3 PerfectInterpolantSequences, 195/2172 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 1.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-28 09:57:42,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:42,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...