/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 14:16:46,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 14:16:46,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 14:16:46,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 14:16:46,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 14:16:46,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 14:16:46,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 14:16:46,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 14:16:46,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 14:16:46,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 14:16:46,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 14:16:46,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 14:16:46,854 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 14:16:46,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 14:16:46,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 14:16:46,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 14:16:46,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 14:16:46,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 14:16:46,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 14:16:46,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 14:16:46,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 14:16:46,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 14:16:46,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 14:16:46,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 14:16:46,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 14:16:46,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 14:16:46,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 14:16:46,859 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 14:16:46,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 14:16:46,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:16:46,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 14:16:46,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 14:16:46,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 14:16:46,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 14:16:46,862 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 14:16:46,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 14:16:46,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 14:16:46,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 14:16:46,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 14:16:46,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-06 14:16:47,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 14:16:47,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 14:16:47,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 14:16:47,138 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 14:16:47,138 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 14:16:47,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl [2024-04-06 14:16:47,139 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl' [2024-04-06 14:16:47,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 14:16:47,178 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 14:16:47,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 14:16:47,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 14:16:47,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 14:16:47,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,252 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 14:16:47,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 14:16:47,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 14:16:47,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 14:16:47,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 14:16:47,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 14:16:47,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 14:16:47,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 14:16:47,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 14:16:47,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/1) ... [2024-04-06 14:16:47,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:16:47,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:16:47,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 14:16:47,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 14:16:47,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 14:16:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 14:16:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 14:16:47,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 14:16:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 14:16:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 14:16:47,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 14:16:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 14:16:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 14:16:47,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 14:16:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 14:16:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 14:16:47,350 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 14:16:47,406 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 14:16:47,408 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 14:16:47,582 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 14:16:47,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 14:16:47,669 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-06 14:16:47,671 INFO L201 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:16:47 BoogieIcfgContainer [2024-04-06 14:16:47,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 14:16:47,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 14:16:47,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 14:16:47,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 14:16:47,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:16:47" (1/2) ... [2024-04-06 14:16:47,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f5a874 and model type name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:16:47, skipping insertion in model container [2024-04-06 14:16:47,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:16:47" (2/2) ... [2024-04-06 14:16:47,679 INFO L112 eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.bpl [2024-04-06 14:16:47,686 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 14:16:47,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 14:16:47,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 14:16:47,694 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 14:16:47,746 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 14:16:47,786 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 14:16:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 14:16:47,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:16:47,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 14:16:47,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 14:16:47,838 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 14:16:47,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:47,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 14:16:47,857 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;@3f0674ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 14:16:47,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 14:16:47,899 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)] === [2024-04-06 14:16:47,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:47,901 INFO L85 PathProgramCache]: Analyzing trace with hash -944682681, now seen corresponding path program 1 times [2024-04-06 14:16:47,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:16:47,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843404206] [2024-04-06 14:16:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:16:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:16:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:48,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:16:48,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843404206] [2024-04-06 14:16:48,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843404206] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:16:48,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:16:48,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 14:16:48,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024114840] [2024-04-06 14:16:48,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:16:48,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 14:16:48,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:16:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 14:16:48,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-06 14:16:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:48,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:16:48,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:16:48,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:48,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 14:16:48,953 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)] === [2024-04-06 14:16:48,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 749825676, now seen corresponding path program 1 times [2024-04-06 14:16:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:16:48,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562600148] [2024-04-06 14:16:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:16:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:16:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:49,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:16:49,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562600148] [2024-04-06 14:16:49,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562600148] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:16:49,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:16:49,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 14:16:49,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549982396] [2024-04-06 14:16:49,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:16:49,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 14:16:49,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:16:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 14:16:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-06 14:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:49,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:16:49,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:16:49,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:49,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:49,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 14:16:49,396 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)] === [2024-04-06 14:16:49,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2105265290, now seen corresponding path program 1 times [2024-04-06 14:16:49,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:16:49,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436305603] [2024-04-06 14:16:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:16:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:16:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:50,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:16:50,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436305603] [2024-04-06 14:16:50,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436305603] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:16:50,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613542088] [2024-04-06 14:16:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:16:50,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:16:50,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:16:50,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 14:16:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:16:50,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-06 14:16:50,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:16:50,794 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 189 treesize of output 149 [2024-04-06 14:16:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:51,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:16:53,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:16:53,056 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 284 treesize of output 256 [2024-04-06 14:16:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:53,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613542088] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:16:53,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:16:53,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2024-04-06 14:16:53,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436655858] [2024-04-06 14:16:53,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:16:53,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 14:16:53,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:16:53,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 14:16:53,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2024-04-06 14:16:53,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:53,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:16:53,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.0) internal successors, (50), 25 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:16:53,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:53,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:53,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:55,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:16:55,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 14:16:55,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-06 14:16:55,789 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)] === [2024-04-06 14:16:55,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:55,790 INFO L85 PathProgramCache]: Analyzing trace with hash -357397747, now seen corresponding path program 2 times [2024-04-06 14:16:55,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:16:55,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117264543] [2024-04-06 14:16:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:16:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:16:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:56,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:16:56,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117264543] [2024-04-06 14:16:56,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117264543] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:16:56,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114980412] [2024-04-06 14:16:56,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:16:56,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:16:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:16:56,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:16:56,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 14:16:56,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:16:56,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:16:56,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-06 14:16:56,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:16:56,702 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 134 treesize of output 108 [2024-04-06 14:16:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:56,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:16:58,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:16:58,142 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 269 treesize of output 243 [2024-04-06 14:16:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:16:58,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114980412] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:16:58,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:16:58,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-04-06 14:16:58,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798359553] [2024-04-06 14:16:58,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:16:58,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-06 14:16:58,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:16:58,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-06 14:16:58,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2024-04-06 14:16:58,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:58,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:16:58,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 30 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:16:58,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:58,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:58,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:16:58,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:16:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:16:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:16:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:16:59,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 14:16:59,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:16:59,862 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)] === [2024-04-06 14:16:59,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:16:59,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1775789446, now seen corresponding path program 3 times [2024-04-06 14:16:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:16:59,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280108139] [2024-04-06 14:16:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:16:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:16:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:00,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:00,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280108139] [2024-04-06 14:17:00,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280108139] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:00,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514430003] [2024-04-06 14:17:00,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:17:00,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:00,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:00,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:00,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 14:17:00,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 14:17:00,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:00,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 14:17:00,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:00,400 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 72 treesize of output 56 [2024-04-06 14:17:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:00,452 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:00,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:00,503 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 49 treesize of output 45 [2024-04-06 14:17:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:00,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514430003] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:00,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:00,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-06 14:17:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53220697] [2024-04-06 14:17:00,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:00,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 14:17:00,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:00,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 14:17:00,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2024-04-06 14:17:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:00,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:00,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:00,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:00,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:00,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:00,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:00,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:01,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:01,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:01,519 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)] === [2024-04-06 14:17:01,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:01,519 INFO L85 PathProgramCache]: Analyzing trace with hash -449596208, now seen corresponding path program 4 times [2024-04-06 14:17:01,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:01,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836412370] [2024-04-06 14:17:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:01,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:02,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836412370] [2024-04-06 14:17:02,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836412370] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:02,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470452263] [2024-04-06 14:17:02,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:17:02,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:02,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:02,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 14:17:02,202 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:17:02,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:02,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-06 14:17:02,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:02,568 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 163 treesize of output 129 [2024-04-06 14:17:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:02,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:03,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:03,646 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 259 treesize of output 231 [2024-04-06 14:17:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:04,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470452263] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:04,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:04,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 36 [2024-04-06 14:17:04,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280326217] [2024-04-06 14:17:04,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:04,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-06 14:17:04,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-06 14:17:04,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1105, Unknown=0, NotChecked=0, Total=1260 [2024-04-06 14:17:04,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:04,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:04,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 36 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:04,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:05,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:05,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-06 14:17:05,625 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)] === [2024-04-06 14:17:05,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:05,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1082362845, now seen corresponding path program 5 times [2024-04-06 14:17:05,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:05,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410367611] [2024-04-06 14:17:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:05,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:05,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410367611] [2024-04-06 14:17:05,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410367611] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:05,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135422252] [2024-04-06 14:17:05,691 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 14:17:05,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:05,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:05,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 14:17:05,757 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-06 14:17:05,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:05,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 14:17:05,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:05,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 14:17:05,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135422252] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:17:05,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 14:17:05,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-04-06 14:17:05,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471160353] [2024-04-06 14:17:05,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:17:05,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 14:17:05,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:05,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 14:17:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-04-06 14:17:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:05,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:05,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:05,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:05,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:05,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:05,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-06 14:17:06,093 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 [2024-04-06 14:17:06,094 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)] === [2024-04-06 14:17:06,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:06,094 INFO L85 PathProgramCache]: Analyzing trace with hash -583497294, now seen corresponding path program 6 times [2024-04-06 14:17:06,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:06,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348574202] [2024-04-06 14:17:06,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:06,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:06,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:06,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348574202] [2024-04-06 14:17:06,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348574202] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:06,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049503581] [2024-04-06 14:17:06,155 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 14:17:06,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:06,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:06,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:06,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 14:17:06,220 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-06 14:17:06,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:06,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 14:17:06,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:06,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 14:17:06,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049503581] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:17:06,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 14:17:06,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-04-06 14:17:06,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068638843] [2024-04-06 14:17:06,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:17:06,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 14:17:06,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:06,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 14:17:06,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-04-06 14:17:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:06,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:06,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:06,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:06,545 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 [2024-04-06 14:17:06,546 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)] === [2024-04-06 14:17:06,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:06,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2020312299, now seen corresponding path program 7 times [2024-04-06 14:17:06,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:06,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577325835] [2024-04-06 14:17:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:06,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:06,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:06,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577325835] [2024-04-06 14:17:06,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577325835] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:06,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319368912] [2024-04-06 14:17:06,778 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 14:17:06,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:06,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:06,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:06,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 14:17:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:06,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-06 14:17:06,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:06,960 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 54 treesize of output 42 [2024-04-06 14:17:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:06,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:07,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:07,038 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 27 [2024-04-06 14:17:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:07,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319368912] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:07,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:07,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-04-06 14:17:07,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862106447] [2024-04-06 14:17:07,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:07,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-06 14:17:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:07,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-06 14:17:07,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-04-06 14:17:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:07,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:07,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:07,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:08,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:08,619 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 [2024-04-06 14:17:08,620 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)] === [2024-04-06 14:17:08,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:08,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1248691227, now seen corresponding path program 1 times [2024-04-06 14:17:08,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195249986] [2024-04-06 14:17:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:08,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:08,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195249986] [2024-04-06 14:17:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195249986] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:17:08,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:17:08,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 14:17:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307526425] [2024-04-06 14:17:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:17:08,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 14:17:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 14:17:08,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-06 14:17:08,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:08,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:08,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:08,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:08,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:08,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:08,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-06 14:17:08,978 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)] === [2024-04-06 14:17:08,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:08,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1724931264, now seen corresponding path program 1 times [2024-04-06 14:17:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:08,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320282587] [2024-04-06 14:17:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:08,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:09,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:09,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320282587] [2024-04-06 14:17:09,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320282587] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:09,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850715163] [2024-04-06 14:17:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:09,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:09,133 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:09,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 14:17:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:09,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-06 14:17:09,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:09,423 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 75 treesize of output 59 [2024-04-06 14:17:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:09,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:09,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:09,549 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 49 treesize of output 45 [2024-04-06 14:17:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:09,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850715163] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:09,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:09,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-06 14:17:09,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571275735] [2024-04-06 14:17:09,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:09,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 14:17:09,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 14:17:09,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-04-06 14:17:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:09,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:09,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 19 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:09,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:09,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:09,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:10,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:10,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:10,240 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)] === [2024-04-06 14:17:10,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -966165280, now seen corresponding path program 2 times [2024-04-06 14:17:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:10,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470100170] [2024-04-06 14:17:10,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:10,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:10,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470100170] [2024-04-06 14:17:10,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470100170] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020337712] [2024-04-06 14:17:10,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:17:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:10,310 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:10,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 14:17:10,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:17:10,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:10,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 14:17:10,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:10,620 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 69 treesize of output 55 [2024-04-06 14:17:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:10,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:10,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:10,908 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 104 treesize of output 92 [2024-04-06 14:17:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:11,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020337712] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:11,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:11,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 20 [2024-04-06 14:17:11,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596058586] [2024-04-06 14:17:11,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:11,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-06 14:17:11,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:11,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-06 14:17:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-04-06 14:17:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:11,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:11,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:11,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 14:17:11,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-06 14:17:11,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-06 14:17:11,815 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)] === [2024-04-06 14:17:11,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:11,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1254988506, now seen corresponding path program 3 times [2024-04-06 14:17:11,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:11,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402366478] [2024-04-06 14:17:11,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:11,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:17:11,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:11,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402366478] [2024-04-06 14:17:11,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402366478] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:11,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140611917] [2024-04-06 14:17:11,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:17:11,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:11,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:11,901 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:11,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 14:17:11,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 14:17:11,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:11,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-06 14:17:11,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:12,119 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 72 treesize of output 56 [2024-04-06 14:17:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:12,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:12,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:17:12,202 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 49 treesize of output 45 [2024-04-06 14:17:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:17:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140611917] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:12,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 21 [2024-04-06 14:17:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920477244] [2024-04-06 14:17:12,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:12,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 14:17:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:12,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 14:17:12,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-04-06 14:17:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:12,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:12,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:12,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 14:17:12,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 14:17:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:12,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:13,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:13,164 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)] === [2024-04-06 14:17:13,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:17:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -230226094, now seen corresponding path program 4 times [2024-04-06 14:17:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:17:13,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715905477] [2024-04-06 14:17:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:17:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:17:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:17:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 14:17:13,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:17:13,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715905477] [2024-04-06 14:17:13,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715905477] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:17:13,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742578830] [2024-04-06 14:17:13,296 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:17:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:17:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:17:13,298 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:17:13,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 14:17:13,357 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:17:13,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:17:13,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-06 14:17:13,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:17:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 14:17:13,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:17:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 14:17:13,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742578830] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:17:13,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:17:13,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-04-06 14:17:13,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381998427] [2024-04-06 14:17:13,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:17:13,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 14:17:13,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:17:13,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 14:17:13,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-04-06 14:17:13,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:13,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:17:13,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 14:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:17:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 14:17:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:17:14,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-06 14:17:14,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 14:17:14,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 14:17:14,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 14:17:14,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:14,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-06 14:17:14,897 INFO L445 BasicCegarLoop]: Path program histogram: [7, 4, 1, 1, 1] [2024-04-06 14:17:14,900 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 14:17:14,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 14:17:14,904 INFO L201 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 02:17:14 BasicIcfg [2024-04-06 14:17:14,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 14:17:14,905 INFO L158 Benchmark]: Toolchain (without parser) took 27726.89ms. Allocated memory was 164.6MB in the beginning and 584.1MB in the end (delta: 419.4MB). Free memory was 105.3MB in the beginning and 525.7MB in the end (delta: -420.4MB). Peak memory consumption was 316.1MB. Max. memory is 8.0GB. [2024-04-06 14:17:14,906 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 164.6MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 14:17:14,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.91ms. Allocated memory is still 164.6MB. Free memory was 105.3MB in the beginning and 144.2MB in the end (delta: -38.9MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2024-04-06 14:17:14,906 INFO L158 Benchmark]: Boogie Preprocessor took 16.53ms. Allocated memory is still 164.6MB. Free memory was 144.2MB in the beginning and 143.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 14:17:14,906 INFO L158 Benchmark]: RCFGBuilder took 397.19ms. Allocated memory is still 164.6MB. Free memory was 143.0MB in the beginning and 124.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-06 14:17:14,906 INFO L158 Benchmark]: TraceAbstraction took 27231.57ms. Allocated memory was 164.6MB in the beginning and 584.1MB in the end (delta: 419.4MB). Free memory was 123.5MB in the beginning and 525.7MB in the end (delta: -402.2MB). Peak memory consumption was 334.3MB. Max. memory is 8.0GB. [2024-04-06 14:17:14,909 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 0.13ms. Allocated memory is still 164.6MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.91ms. Allocated memory is still 164.6MB. Free memory was 105.3MB in the beginning and 144.2MB in the end (delta: -38.9MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.53ms. Allocated memory is still 164.6MB. Free memory was 144.2MB in the beginning and 143.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 397.19ms. Allocated memory is still 164.6MB. Free memory was 143.0MB in the beginning and 124.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 27231.57ms. Allocated memory was 164.6MB in the beginning and 584.1MB in the end (delta: 419.4MB). Free memory was 123.5MB in the beginning and 525.7MB in the end (delta: -402.2MB). Peak memory consumption was 334.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26503, independent: 21674, independent conditional: 21599, independent unconditional: 75, dependent: 4829, dependent conditional: 4811, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21674, independent: 21674, independent conditional: 21599, independent unconditional: 75, 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: 21674, independent: 21674, independent conditional: 21599, independent unconditional: 75, 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: 21674, independent: 21674, independent conditional: 21599, independent unconditional: 75, 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: 21674, independent: 21674, independent conditional: 2375, independent unconditional: 19299, 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: 21674, independent: 21674, independent conditional: 2373, independent unconditional: 19301, 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: 21674, independent: 21674, independent conditional: 2373, independent unconditional: 19301, 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: 113, independent: 113, independent conditional: 0, independent unconditional: 113, 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: 113, independent: 113, independent conditional: 0, independent unconditional: 113, 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: 21674, independent: 21561, independent conditional: 2373, independent unconditional: 19188, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 113, Positive conditional cache size: 0, Positive unconditional cache size: 113, 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: 2, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21674, independent: 21674, independent conditional: 2375, independent unconditional: 19299, 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: 21674, independent: 21674, independent conditional: 2373, independent unconditional: 19301, 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: 21674, independent: 21674, independent conditional: 2373, independent unconditional: 19301, 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: 113, independent: 113, independent conditional: 0, independent unconditional: 113, 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: 113, independent: 113, independent conditional: 0, independent unconditional: 113, 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: 21674, independent: 21561, independent conditional: 2373, independent unconditional: 19188, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 113, Positive conditional cache size: 0, Positive unconditional cache size: 113, 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: 2 ], Independence queries for same thread: 4829 - PositiveResult [Line: 114]: 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, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 27.1s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 9.5s, 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: 223, 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, 14.1s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 691 ConstructedInterpolants, 0 QuantifiedInterpolants, 8720 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1190 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 34 InterpolantComputations, 5 PerfectInterpolantSequences, 121/270 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 14:17:14,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-06 14:17:15,127 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...