/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 BOTH --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/array-eq-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 17:01:45,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 17:01:45,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 17:01:45,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 17:01:45,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 17:01:45,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 17:01:45,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 17:01:45,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 17:01:45,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 17:01:45,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 17:01:45,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 17:01:45,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 17:01:45,447 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 17:01:45,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 17:01:45,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 17:01:45,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 17:01:45,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 17:01:45,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 17:01:45,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 17:01:45,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 17:01:45,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 17:01:45,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 17:01:45,451 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 17:01:45,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 17:01:45,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:01:45,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 17:01:45,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 17:01:45,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 17:01:45,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 17:01:45,452 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 17:01:45,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 17:01:45,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 17:01:45,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 17:01:45,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 17:01:45,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 17:01:45,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 17:01:45,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 17:01:45,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 17:01:45,706 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 17:01:45,707 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 17:01:45,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl [2024-05-04 17:01:45,708 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-trans.wvr.bpl' [2024-05-04 17:01:45,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 17:01:45,746 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 17:01:45,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 17:01:45,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 17:01:45,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 17:01:45,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,804 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 17:01:45,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 17:01:45,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 17:01:45,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 17:01:45,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 17:01:45,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 17:01:45,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 17:01:45,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 17:01:45,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 17:01:45,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/1) ... [2024-05-04 17:01:45,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:01:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:45,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 17:01:45,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 17:01:45,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 17:01:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 17:01:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 17:01:45,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 17:01:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 17:01:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 17:01:45,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 17:01:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 17:01:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 17:01:45,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-04 17:01:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 17:01:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 17:01:45,917 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 17:01:45,975 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 17:01:45,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 17:01:46,161 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 17:01:46,171 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 17:01:46,171 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 17:01:46,172 INFO L201 PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:01:46 BoogieIcfgContainer [2024-05-04 17:01:46,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 17:01:46,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 17:01:46,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 17:01:46,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 17:01:46,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:01:45" (1/2) ... [2024-05-04 17:01:46,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355c4a88 and model type array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:01:46, skipping insertion in model container [2024-05-04 17:01:46,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:01:46" (2/2) ... [2024-05-04 17:01:46,178 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.bpl [2024-05-04 17:01:46,184 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 17:01:46,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 17:01:46,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 17:01:46,191 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 17:01:46,277 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 17:01:46,342 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 17:01:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 17:01:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:46,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 17:01:46,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 17:01:46,400 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 17:01:46,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:46,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 17:01:46,447 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;@61a6a83b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 17:01:46,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 17:01:46,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:46,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1756466978, now seen corresponding path program 1 times [2024-05-04 17:01:46,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995920697] [2024-05-04 17:01:46,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:46,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:46,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995920697] [2024-05-04 17:01:46,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995920697] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:01:46,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:01:46,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 17:01:46,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456104227] [2024-05-04 17:01:46,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:01:46,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 17:01:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 17:01:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 17:01:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:46,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:46,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:46,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:47,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 17:01:47,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:47,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash -613958306, now seen corresponding path program 1 times [2024-05-04 17:01:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:47,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995663957] [2024-05-04 17:01:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:47,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:47,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995663957] [2024-05-04 17:01:47,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995663957] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:01:47,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:01:47,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 17:01:47,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347052244] [2024-05-04 17:01:47,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:01:47,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 17:01:47,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:47,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 17:01:47,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-04 17:01:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:47,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:47,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2024-05-04 17:01:47,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:47,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:47,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 17:01:47,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:47,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:47,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1858887817, now seen corresponding path program 1 times [2024-05-04 17:01:47,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:47,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405010424] [2024-05-04 17:01:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:47,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:47,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405010424] [2024-05-04 17:01:47,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405010424] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:47,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718496047] [2024-05-04 17:01:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:47,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:47,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:47,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 17:01:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:47,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-04 17:01:47,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:47,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:47,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:01:47,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2024-05-04 17:01:48,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:01:48,006 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 24 treesize of output 28 [2024-05-04 17:01:48,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:01:48,017 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 20 treesize of output 24 [2024-05-04 17:01:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718496047] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:48,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:48,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2024-05-04 17:01:48,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103389044] [2024-05-04 17:01:48,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:48,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-04 17:01:48,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:48,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-04 17:01:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-05-04 17:01:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:48,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:48,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:48,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:48,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-04 17:01:48,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:48,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1357396410, now seen corresponding path program 1 times [2024-05-04 17:01:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:48,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366362311] [2024-05-04 17:01:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:48,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:48,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366362311] [2024-05-04 17:01:48,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366362311] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:48,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193200105] [2024-05-04 17:01:48,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:48,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:48,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:48,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 17:01:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:49,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-04 17:01:49,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:49,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:49,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-05-04 17:01:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:49,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193200105] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:49,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-05-04 17:01:49,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799241091] [2024-05-04 17:01:49,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:49,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 17:01:49,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:49,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 17:01:49,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-05-04 17:01:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:49,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:49,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:49,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:49,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:49,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:49,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:49,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:49,661 INFO L85 PathProgramCache]: Analyzing trace with hash -198268453, now seen corresponding path program 1 times [2024-05-04 17:01:49,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:49,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535833266] [2024-05-04 17:01:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:49,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:49,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:49,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535833266] [2024-05-04 17:01:49,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535833266] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:49,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097958388] [2024-05-04 17:01:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:49,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:49,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:49,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 17:01:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:49,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-04 17:01:49,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:49,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 17:01:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097958388] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:01:49,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 17:01:49,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-05-04 17:01:49,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808009349] [2024-05-04 17:01:49,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:01:49,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 17:01:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:49,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 17:01:49,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-05-04 17:01:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:49,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:49,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:49,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:49,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:50,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:50,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:50,532 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:50,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:50,532 INFO L85 PathProgramCache]: Analyzing trace with hash -140557661, now seen corresponding path program 1 times [2024-05-04 17:01:50,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:50,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882701964] [2024-05-04 17:01:50,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:50,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:50,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:50,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882701964] [2024-05-04 17:01:50,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882701964] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:50,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399941970] [2024-05-04 17:01:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:50,692 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:50,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 17:01:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:50,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-04 17:01:50,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:50,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:50,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-05-04 17:01:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:51,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399941970] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:51,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:51,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-05-04 17:01:51,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190517035] [2024-05-04 17:01:51,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:51,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-04 17:01:51,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-04 17:01:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-05-04 17:01:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:51,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:51,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 17 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) [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:51,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 17:01:52,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:53,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-04 17:01:53,026 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:53,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1324272554, now seen corresponding path program 2 times [2024-05-04 17:01:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713237430] [2024-05-04 17:01:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:53,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:53,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713237430] [2024-05-04 17:01:53,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713237430] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:53,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358101848] [2024-05-04 17:01:53,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 17:01:53,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:53,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:53,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:53,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 17:01:53,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 17:01:53,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:01:53,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 17:01:53,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:01:53,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:01:53,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358101848] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:53,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:53,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2024-05-04 17:01:53,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870644514] [2024-05-04 17:01:53,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:53,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-04 17:01:53,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:53,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-04 17:01:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-05-04 17:01:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:53,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:53,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 13 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) [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 17:01:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 17:01:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:53,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:53,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:53,968 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:53,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1856231205, now seen corresponding path program 3 times [2024-05-04 17:01:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:53,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567840869] [2024-05-04 17:01:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:53,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:54,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:54,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567840869] [2024-05-04 17:01:54,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567840869] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:54,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170770010] [2024-05-04 17:01:54,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 17:01:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:54,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:54,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 17:01:54,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 17:01:54,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:01:54,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-04 17:01:54,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:54,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:54,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-05-04 17:01:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170770010] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:54,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:54,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 9 [2024-05-04 17:01:54,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747469777] [2024-05-04 17:01:54,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:54,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-04 17:01:54,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:54,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-04 17:01:54,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-05-04 17:01:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:54,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:54,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:54,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 17:01:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:54,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:54,917 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,SelfDestructingSolverStorable7 [2024-05-04 17:01:54,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:54,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2133985124, now seen corresponding path program 4 times [2024-05-04 17:01:54,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:54,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222326434] [2024-05-04 17:01:54,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:54,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:55,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222326434] [2024-05-04 17:01:55,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222326434] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:55,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574490705] [2024-05-04 17:01:55,018 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 17:01:55,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:55,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:55,019 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:55,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 17:01:55,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 17:01:55,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:01:55,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 17:01:55,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:55,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574490705] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:55,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:55,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 18 [2024-05-04 17:01:55,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624104712] [2024-05-04 17:01:55,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:55,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-04 17:01:55,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:55,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-04 17:01:55,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-05-04 17:01:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:55,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:55,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 18 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) [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:55,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 17:01:56,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 17:01:56,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:56,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:56,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1454430845, now seen corresponding path program 5 times [2024-05-04 17:01:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:56,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129010958] [2024-05-04 17:01:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-04 17:01:56,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129010958] [2024-05-04 17:01:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129010958] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765483218] [2024-05-04 17:01:56,620 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 17:01:56,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:56,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:56,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 17:01:56,658 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-04 17:01:56,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:01:56,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-04 17:01:56,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:01:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:01:56,998 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:01:57,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-05-04 17:01:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 17:01:57,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765483218] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:01:57,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:01:57,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 8] total 24 [2024-05-04 17:01:57,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415166933] [2024-05-04 17:01:57,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:01:57,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 17:01:57,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:01:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 17:01:57,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-05-04 17:01:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:57,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:01:57,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 17:01:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:01:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:01:59,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-04 17:01:59,477 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,SelfDestructingSolverStorable9 [2024-05-04 17:01:59,478 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:01:59,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:01:59,478 INFO L85 PathProgramCache]: Analyzing trace with hash -555985853, now seen corresponding path program 1 times [2024-05-04 17:01:59,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:01:59,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398417242] [2024-05-04 17:01:59,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:59,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:01:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-05-04 17:01:59,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:01:59,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398417242] [2024-05-04 17:01:59,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398417242] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:01:59,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173513722] [2024-05-04 17:01:59,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:01:59,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:01:59,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:01:59,706 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:01:59,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 17:01:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:01:59,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-04 17:01:59,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:00,057 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 16 treesize of output 12 [2024-05-04 17:02:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 19 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:02:00,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:00,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:00,104 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 17 treesize of output 21 [2024-05-04 17:02:00,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:00,131 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 20 treesize of output 24 [2024-05-04 17:02:00,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:00,137 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 16 treesize of output 20 [2024-05-04 17:02:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-05-04 17:02:00,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173513722] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:00,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:00,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 6] total 24 [2024-05-04 17:02:00,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001585594] [2024-05-04 17:02:00,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:00,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 17:02:00,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:00,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 17:02:00,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2024-05-04 17:02:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:00,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:00,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.48) internal successors, (87), 24 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:02,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-04 17:02:03,145 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,SelfDestructingSolverStorable10 [2024-05-04 17:02:03,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:03,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:03,146 INFO L85 PathProgramCache]: Analyzing trace with hash 814254658, now seen corresponding path program 1 times [2024-05-04 17:02:03,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:03,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540512292] [2024-05-04 17:02:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-05-04 17:02:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:03,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540512292] [2024-05-04 17:02:03,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540512292] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:02:03,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147850428] [2024-05-04 17:02:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:02:03,619 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:02:03,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 17:02:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:03,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-04 17:02:03,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 1 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:02:04,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:04,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:04,343 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 17 treesize of output 21 [2024-05-04 17:02:04,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:04,397 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 33 treesize of output 35 [2024-05-04 17:02:04,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:04,410 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 27 treesize of output 29 [2024-05-04 17:02:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-05-04 17:02:04,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147850428] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:04,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:04,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 21, 8] total 32 [2024-05-04 17:02:04,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366001139] [2024-05-04 17:02:04,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:04,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-04 17:02:04,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:04,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-04 17:02:04,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-05-04 17:02:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:04,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:04,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 32 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:04,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:04,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:04,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:08,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-04 17:02:08,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:08,452 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:08,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1509963067, now seen corresponding path program 2 times [2024-05-04 17:02:08,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:08,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967578741] [2024-05-04 17:02:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:08,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-05-04 17:02:08,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:08,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967578741] [2024-05-04 17:02:08,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967578741] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:02:08,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:02:08,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 17:02:08,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504605991] [2024-05-04 17:02:08,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:02:08,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 17:02:08,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:08,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 17:02:08,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 17:02:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:08,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:08,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:08,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:08,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:08,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:08,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:09,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-05-04 17:02:09,127 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:09,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1007259459, now seen corresponding path program 1 times [2024-05-04 17:02:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:09,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755387056] [2024-05-04 17:02:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-05-04 17:02:09,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:09,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755387056] [2024-05-04 17:02:09,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755387056] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:02:09,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769245468] [2024-05-04 17:02:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:09,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:02:09,498 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:02:09,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 17:02:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:09,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 49 conjunts are in the unsatisfiable core [2024-05-04 17:02:09,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:02:10,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:10,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:10,313 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 29 treesize of output 31 [2024-05-04 17:02:10,394 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:10,394 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 33 treesize of output 35 [2024-05-04 17:02:10,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:10,399 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 27 treesize of output 29 [2024-05-04 17:02:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 7 proven. 50 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-05-04 17:02:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769245468] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:10,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:10,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 25, 9] total 38 [2024-05-04 17:02:10,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194401261] [2024-05-04 17:02:10,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:10,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-04 17:02:10,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-04 17:02:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2024-05-04 17:02:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:10,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:10,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.3076923076923075) internal successors, (129), 38 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:10,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:13,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:13,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-04 17:02:13,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-04 17:02:13,805 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:13,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1650132951, now seen corresponding path program 1 times [2024-05-04 17:02:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:13,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934204011] [2024-05-04 17:02:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:13,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-05-04 17:02:13,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:13,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934204011] [2024-05-04 17:02:13,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934204011] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:02:13,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:02:13,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 17:02:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502054766] [2024-05-04 17:02:13,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:02:13,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 17:02:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:13,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 17:02:13,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 17:02:13,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:13,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:13,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:13,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:13,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-04 17:02:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:15,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-05-04 17:02:15,017 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:15,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:15,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1687465763, now seen corresponding path program 1 times [2024-05-04 17:02:15,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:15,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183625632] [2024-05-04 17:02:15,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:15,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-05-04 17:02:15,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:15,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183625632] [2024-05-04 17:02:15,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183625632] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:02:15,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312462931] [2024-05-04 17:02:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:15,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:15,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:02:15,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:02:15,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 17:02:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:15,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-04 17:02:15,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:15,706 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 15 treesize of output 11 [2024-05-04 17:02:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 21 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:02:15,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:15,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:15,734 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 16 treesize of output 20 [2024-05-04 17:02:15,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:15,747 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 20 treesize of output 24 [2024-05-04 17:02:15,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:15,751 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 20 treesize of output 24 [2024-05-04 17:02:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-05-04 17:02:15,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312462931] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:15,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:15,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 22, 6] total 29 [2024-05-04 17:02:15,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199428350] [2024-05-04 17:02:15,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:15,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-04 17:02:15,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-04 17:02:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2024-05-04 17:02:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:15,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:15,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.4) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:15,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-04 17:02:18,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-04 17:02:19,053 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,SelfDestructingSolverStorable15 [2024-05-04 17:02:19,053 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:19,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:19,054 INFO L85 PathProgramCache]: Analyzing trace with hash 258237862, now seen corresponding path program 1 times [2024-05-04 17:02:19,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:19,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890457287] [2024-05-04 17:02:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:19,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-05-04 17:02:19,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890457287] [2024-05-04 17:02:19,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890457287] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:02:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829961794] [2024-05-04 17:02:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:02:19,320 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:02:19,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 17:02:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:19,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-04 17:02:19,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:19,748 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 16 treesize of output 12 [2024-05-04 17:02:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 55 proven. 238 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:02:19,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:19,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:19,806 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 16 treesize of output 20 [2024-05-04 17:02:19,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:19,822 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 20 treesize of output 24 [2024-05-04 17:02:19,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:19,827 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 20 treesize of output 24 [2024-05-04 17:02:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 55 proven. 35 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-05-04 17:02:19,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829961794] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:19,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:19,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 25, 6] total 32 [2024-05-04 17:02:19,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011171298] [2024-05-04 17:02:19,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:19,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-04 17:02:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:20,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-04 17:02:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=966, Unknown=0, NotChecked=0, Total=1056 [2024-05-04 17:02:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:20,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:20,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.515151515151515) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:20,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-04 17:02:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-04 17:02:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:23,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 17:02:24,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-04 17:02:24,112 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 17:02:24,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:02:24,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1971253795, now seen corresponding path program 1 times [2024-05-04 17:02:24,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:02:24,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597049249] [2024-05-04 17:02:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:24,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:02:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 10 proven. 57 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-05-04 17:02:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:02:24,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597049249] [2024-05-04 17:02:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597049249] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:02:24,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835977332] [2024-05-04 17:02:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:02:24,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:02:24,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:02:24,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:02:24,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 17:02:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:02:24,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-04 17:02:24,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:02:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 2 proven. 333 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:02:25,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:02:25,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:25,584 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 31 treesize of output 33 [2024-05-04 17:02:25,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:25,626 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 21 treesize of output 25 [2024-05-04 17:02:25,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:02:25,629 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 17 treesize of output 21 [2024-05-04 17:02:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-05-04 17:02:25,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835977332] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:02:25,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:02:25,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 30, 8] total 41 [2024-05-04 17:02:25,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75423462] [2024-05-04 17:02:25,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:02:25,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-04 17:02:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:02:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-04 17:02:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1587, Unknown=0, NotChecked=0, Total=1722 [2024-05-04 17:02:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:25,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:02:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 41 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-04 17:02:25,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 17:02:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-04 17:02:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-05-04 17:02:46,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-05-04 17:02:46,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-04 17:02:46,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-04 17:02:46,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-04 17:02:46,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 17:02:46,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-04 17:02:46,466 INFO L448 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-04 17:02:46,468 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 17:02:46,468 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 17:02:46,471 INFO L201 PluginConnector]: Adding new model array-eq-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:02:46 BasicIcfg [2024-05-04 17:02:46,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 17:02:46,471 INFO L158 Benchmark]: Toolchain (without parser) took 60724.93ms. Allocated memory was 208.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 178.7MB in the beginning and 1.1GB in the end (delta: -906.0MB). Peak memory consumption was 322.3MB. Max. memory is 8.0GB. [2024-05-04 17:02:46,471 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 173.2MB in the beginning and 173.1MB in the end (delta: 89.2kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 17:02:46,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.17ms. Allocated memory is still 208.7MB. Free memory was 178.6MB in the beginning and 181.9MB in the end (delta: -3.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 17:02:46,471 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 208.7MB. Free memory was 181.8MB in the beginning and 180.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 17:02:46,472 INFO L158 Benchmark]: RCFGBuilder took 336.86ms. Allocated memory is still 208.7MB. Free memory was 180.6MB in the beginning and 169.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-04 17:02:46,472 INFO L158 Benchmark]: TraceAbstraction took 60296.94ms. Allocated memory was 208.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 168.7MB in the beginning and 1.1GB in the end (delta: -916.1MB). Peak memory consumption was 313.9MB. Max. memory is 8.0GB. [2024-05-04 17:02:46,472 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 173.2MB in the beginning and 173.1MB in the end (delta: 89.2kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.17ms. Allocated memory is still 208.7MB. Free memory was 178.6MB in the beginning and 181.9MB in the end (delta: -3.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 208.7MB. Free memory was 181.8MB in the beginning and 180.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 336.86ms. Allocated memory is still 208.7MB. Free memory was 180.6MB in the beginning and 169.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 60296.94ms. Allocated memory was 208.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 168.7MB in the beginning and 1.1GB in the end (delta: -916.1MB). Peak memory consumption was 313.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 869419, independent: 801207, independent conditional: 799866, independent unconditional: 1341, dependent: 68212, dependent conditional: 68212, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 799866, independent unconditional: 1341, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 799866, independent unconditional: 1341, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 799866, independent unconditional: 1341, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 386257, independent unconditional: 414950, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 330906, independent unconditional: 470301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 330906, independent unconditional: 470301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, independent: 468, independent conditional: 111, independent unconditional: 357, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, independent: 468, independent conditional: 0, independent unconditional: 468, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 801207, independent: 800739, independent conditional: 330795, independent unconditional: 469944, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 468, unknown conditional: 111, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 468, Positive conditional cache size: 111, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55351, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 386257, independent unconditional: 414950, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 330906, independent unconditional: 470301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 801207, independent: 801207, independent conditional: 330906, independent unconditional: 470301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, independent: 468, independent conditional: 111, independent unconditional: 357, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, independent: 468, independent conditional: 0, independent unconditional: 468, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 801207, independent: 800739, independent conditional: 330795, independent unconditional: 469944, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 468, unknown conditional: 111, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 468, Positive conditional cache size: 111, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55351 ], Independence queries for same thread: 68212 - PositiveResult [Line: 78]: 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 7 procedures, 51 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 60.1s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 45.2s, 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: 742, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 1572 NumberOfCodeBlocks, 1572 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 2190 ConstructedInterpolants, 0 QuantifiedInterpolants, 20514 SizeOfPredicates, 115 NumberOfNonLiveVariables, 1732 ConjunctsInSsa, 372 ConjunctsInUnsatCore, 45 InterpolantComputations, 5 PerfectInterpolantSequences, 2746/4559 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: 1.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 17:02:46,485 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 [2024-05-04 17:02:46,687 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...