/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/popl20/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 14:39:03,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 14:39:03,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 14:39:03,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 14:39:03,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 14:39:03,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 14:39:03,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 14:39:03,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 14:39:03,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 14:39:03,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 14:39:03,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 14:39:03,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 14:39:03,517 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 14:39:03,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 14:39:03,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 14:39:03,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 14:39:03,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 14:39:03,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 14:39:03,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 14:39:03,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 14:39:03,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 14:39:03,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 14:39:03,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 14:39:03,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 14:39:03,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 14:39:03,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 14:39:03,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 14:39:03,521 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 14:39:03,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 14:39:03,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:39:03,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 14:39:03,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 14:39:03,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 14:39:03,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 14:39:03,522 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 14:39:03,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 14:39:03,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 14:39:03,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 14:39:03,523 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 14:39:03,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-06 14:39:03,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 14:39:03,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 14:39:03,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 14:39:03,783 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 14:39:03,783 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 14:39:03,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2024-04-06 14:39:03,784 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2024-04-06 14:39:03,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 14:39:03,822 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 14:39:03,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 14:39:03,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 14:39:03,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 14:39:03,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,862 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 14:39:03,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 14:39:03,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 14:39:03,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 14:39:03,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 14:39:03,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 14:39:03,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 14:39:03,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 14:39:03,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 14:39:03,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/1) ... [2024-04-06 14:39:03,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:39:03,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:03,913 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 14:39:03,920 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 14:39:03,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 14:39:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 14:39:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 14:39:03,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 14:39:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 14:39:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 14:39:03,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 14:39:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 14:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 14:39:03,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 14:39:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 14:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 14:39:03,961 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 14:39:03,999 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 14:39:04,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 14:39:04,120 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 14:39:04,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 14:39:04,151 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 14:39:04,153 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:39:04 BoogieIcfgContainer [2024-04-06 14:39:04,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 14:39:04,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 14:39:04,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 14:39:04,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 14:39:04,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:39:03" (1/2) ... [2024-04-06 14:39:04,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15de188 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:39:04, skipping insertion in model container [2024-04-06 14:39:04,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:39:04" (2/2) ... [2024-04-06 14:39:04,160 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2024-04-06 14:39:04,167 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 14:39:04,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 14:39:04,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 14:39:04,175 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 14:39:04,235 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 14:39:04,273 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 14:39:04,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 14:39:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:04,302 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 14:39:04,304 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 14:39:04,346 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 14:39:04,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:04,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 14:39:04,368 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;@3fa54145, 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 14:39:04,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 14:39:04,492 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 14:39:04,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2046495706, now seen corresponding path program 1 times [2024-04-06 14:39:04,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:04,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974948871] [2024-04-06 14:39:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:04,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:04,652 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 14:39:04,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:04,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974948871] [2024-04-06 14:39:04,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974948871] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:39:04,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:39:04,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 14:39:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399587729] [2024-04-06 14:39:04,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:39:04,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 14:39:04,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:04,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 14:39:04,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 14:39:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:04,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:04,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 14:39:04,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:04,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 14:39:04,869 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 14:39:04,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:04,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1419046988, now seen corresponding path program 1 times [2024-04-06 14:39:04,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:04,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557621673] [2024-04-06 14:39:04,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:04,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:39:04,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:04,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557621673] [2024-04-06 14:39:04,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557621673] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:39:04,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:39:04,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 14:39:04,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947303731] [2024-04-06 14:39:04,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:39:04,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 14:39:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 14:39:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 14:39:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:04,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:04,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 14:39:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:04,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 14:39:04,969 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 14:39:04,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:04,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2061731028, now seen corresponding path program 2 times [2024-04-06 14:39:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335063477] [2024-04-06 14:39:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:05,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:05,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335063477] [2024-04-06 14:39:05,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335063477] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:05,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067928104] [2024-04-06 14:39:05,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:39:05,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:05,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:05,117 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 14:39:05,148 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 14:39:05,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:39:05,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 14:39:05,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:05,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:05,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:05,358 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 22 treesize of output 24 [2024-04-06 14:39:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:05,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067928104] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:05,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:05,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-04-06 14:39:05,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295572900] [2024-04-06 14:39:05,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:05,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-06 14:39:05,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:05,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-06 14:39:05,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-04-06 14:39:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:05,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:05,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 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 14:39:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:05,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 14:39:05,873 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 14:39:05,874 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 14:39:05,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash 549701242, now seen corresponding path program 3 times [2024-04-06 14:39:05,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:05,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914624972] [2024-04-06 14:39:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:05,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914624972] [2024-04-06 14:39:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914624972] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009984650] [2024-04-06 14:39:05,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:39:05,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:05,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:05,961 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 14:39:05,992 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 14:39:05,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-06 14:39:05,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:05,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-06 14:39:05,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:06,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:06,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009984650] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:06,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:06,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-04-06 14:39:06,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952710505] [2024-04-06 14:39:06,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:06,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 14:39:06,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:06,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 14:39:06,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 14:39:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:06,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:06,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 14:39:06,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:06,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:06,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:06,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:06,066 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 14:39:06,264 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 14:39:06,264 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 14:39:06,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash 385380954, now seen corresponding path program 1 times [2024-04-06 14:39:06,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:06,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493811008] [2024-04-06 14:39:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:06,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:39:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493811008] [2024-04-06 14:39:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493811008] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752171980] [2024-04-06 14:39:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:06,306 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 14:39:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:06,335 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 14:39:06,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 14:39:06,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 14:39:06,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 14:39:06,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752171980] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:39:06,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 14:39:06,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-06 14:39:06,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952475984] [2024-04-06 14:39:06,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:39:06,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 14:39:06,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:06,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 14:39:06,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 14:39:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:06,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:06,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 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 14:39:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:06,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:06,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 14:39:06,609 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 14:39:06,610 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 14:39:06,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 393423650, now seen corresponding path program 2 times [2024-04-06 14:39:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:06,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004779716] [2024-04-06 14:39:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:06,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:06,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004779716] [2024-04-06 14:39:06,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004779716] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:06,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739396743] [2024-04-06 14:39:06,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:39:06,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:06,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:06,758 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 14:39:06,762 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 14:39:06,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:39:06,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:06,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-06 14:39:06,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:06,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:07,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:07,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 60 [2024-04-06 14:39:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:07,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739396743] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:07,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-04-06 14:39:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204939958] [2024-04-06 14:39:07,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:07,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-06 14:39:07,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:07,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-06 14:39:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-04-06 14:39:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:07,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:07,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 15 states have internal predecessors, (55), 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 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:07,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:07,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 14:39:07,558 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 14:39:07,558 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 14:39:07,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1693683408, now seen corresponding path program 3 times [2024-04-06 14:39:07,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:07,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457074749] [2024-04-06 14:39:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:07,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:07,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457074749] [2024-04-06 14:39:07,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457074749] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:07,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303356830] [2024-04-06 14:39:07,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:39:07,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:07,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:07,741 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 14:39:07,756 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 14:39:07,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-06 14:39:07,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:07,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 14:39:07,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 14:39:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 14:39:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 14:39:08,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:08,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 14:39:08,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-04-06 14:39:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:08,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:08,321 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:08,322 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:08,323 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:08,381 INFO L349 Elim1Store]: treesize reduction 18, result has 78.3 percent of original size [2024-04-06 14:39:08,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 94 [2024-04-06 14:39:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303356830] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:08,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:08,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-06 14:39:08,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597974822] [2024-04-06 14:39:08,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:08,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 14:39:08,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:08,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 14:39:08,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-04-06 14:39:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:08,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:08,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.125) internal successors, (75), 23 states have internal predecessors, (75), 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 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:08,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:09,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 14:39:09,445 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 14:39:09,446 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 14:39:09,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:09,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1199921430, now seen corresponding path program 4 times [2024-04-06 14:39:09,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:09,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296601748] [2024-04-06 14:39:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:39:09,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:09,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296601748] [2024-04-06 14:39:09,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296601748] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572280082] [2024-04-06 14:39:09,910 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:39:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:09,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:09,932 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 14:39:09,961 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 14:39:09,968 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:39:09,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:09,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-06 14:39:09,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:10,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:11,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:11,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2024-04-06 14:39:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 15 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572280082] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:11,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:11,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 16] total 37 [2024-04-06 14:39:11,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471351405] [2024-04-06 14:39:11,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:11,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-06 14:39:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-06 14:39:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2024-04-06 14:39:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:11,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:11,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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 14:39:11,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:11,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:11,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:11,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:11,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:11,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:11,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:11,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:13,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:13,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-06 14:39:14,147 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 14:39:14,147 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 14:39:14,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:14,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2054761128, now seen corresponding path program 5 times [2024-04-06 14:39:14,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:14,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89970405] [2024-04-06 14:39:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:14,782 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 11 proven. 230 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-06 14:39:14,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:14,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89970405] [2024-04-06 14:39:14,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89970405] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:14,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877478487] [2024-04-06 14:39:14,783 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 14:39:14,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:14,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:14,792 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 14:39:14,839 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 14:39:14,856 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-06 14:39:14,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:14,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2024-04-06 14:39:14,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 31 proven. 216 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 14:39:15,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:16,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:16,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2024-04-06 14:39:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 14:39:17,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877478487] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:17,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:17,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 42 [2024-04-06 14:39:17,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371955520] [2024-04-06 14:39:17,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:17,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-06 14:39:17,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:17,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-06 14:39:17,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2024-04-06 14:39:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:17,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:17,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.1395348837209305) internal successors, (178), 42 states have internal predecessors, (178), 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 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:17,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:21,924 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 14:39:22,111 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 14:39:22,113 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 14:39:22,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2052626130, now seen corresponding path program 6 times [2024-04-06 14:39:22,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:22,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254009301] [2024-04-06 14:39:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 12 proven. 286 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:39:22,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:22,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254009301] [2024-04-06 14:39:22,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254009301] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:22,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120621797] [2024-04-06 14:39:22,930 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 14:39:22,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:22,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:22,931 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 14:39:22,958 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 14:39:22,973 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-06 14:39:22,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:22,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-06 14:39:22,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 32 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:24,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:25,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:25,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2024-04-06 14:39:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 34 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:26,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120621797] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:26,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:26,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 20] total 49 [2024-04-06 14:39:26,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252620560] [2024-04-06 14:39:26,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:26,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-06 14:39:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-06 14:39:26,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2128, Unknown=0, NotChecked=0, Total=2450 [2024-04-06 14:39:26,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:26,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:26,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.06) internal successors, (203), 49 states have internal predecessors, (203), 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 14:39:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:26,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:26,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:39:32,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-06 14:39:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-06 14:39:33,043 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 14:39:33,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1929215828, now seen corresponding path program 7 times [2024-04-06 14:39:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:33,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974672013] [2024-04-06 14:39:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 345 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:39:33,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974672013] [2024-04-06 14:39:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974672013] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974332310] [2024-04-06 14:39:33,941 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 14:39:33,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:33,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:33,952 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 14:39:33,961 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 14:39:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:33,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-06 14:39:33,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:35,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:36,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:36,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2024-04-06 14:39:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:38,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974332310] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:38,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:38,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 54 [2024-04-06 14:39:38,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297687505] [2024-04-06 14:39:38,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:38,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-06 14:39:38,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:38,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-06 14:39:38,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2606, Unknown=0, NotChecked=0, Total=2970 [2024-04-06 14:39:38,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:38,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:38,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.0) internal successors, (220), 54 states have internal predecessors, (220), 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 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:39:38,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:39:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:39:46,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 14:39:46,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-06 14:39:46,679 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 14:39:46,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1891936626, now seen corresponding path program 8 times [2024-04-06 14:39:46,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:46,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505514997] [2024-04-06 14:39:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 16 proven. 510 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:39:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:47,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505514997] [2024-04-06 14:39:47,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505514997] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:47,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557590329] [2024-04-06 14:39:47,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:39:47,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:47,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:47,947 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 14:39:47,949 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 14:39:48,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:39:48,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:48,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-06 14:39:48,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 20 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:49,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:51,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:51,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2024-04-06 14:39:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 45 proven. 487 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:53,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557590329] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:39:53,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:39:53,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 60 [2024-04-06 14:39:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284864907] [2024-04-06 14:39:53,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:39:53,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-06 14:39:53,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:39:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-06 14:39:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=3235, Unknown=0, NotChecked=0, Total=3660 [2024-04-06 14:39:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:53,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:39:53,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.360655737704918) internal successors, (266), 60 states have internal predecessors, (266), 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 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:39:53,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:40:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:40:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:40:05,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-06 14:40:05,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:40:05,220 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 14:40:05,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:40:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1884454040, now seen corresponding path program 9 times [2024-04-06 14:40:05,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:40:05,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991789080] [2024-04-06 14:40:05,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:40:05,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:40:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:40:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 17 proven. 587 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:40:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:40:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991789080] [2024-04-06 14:40:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991789080] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:40:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526671635] [2024-04-06 14:40:06,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:40:06,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:40:06,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:40:06,640 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 14:40:06,656 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 14:40:06,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-04-06 14:40:06,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:40:06,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-06 14:40:06,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:40:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 26 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:40:09,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:40:11,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,684 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,685 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,686 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,687 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,687 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,689 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,690 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,694 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,695 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,699 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,699 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,700 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,712 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,712 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,715 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,720 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,723 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,728 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,734 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,734 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,736 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,737 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,739 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,740 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,740 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,746 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,749 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,753 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,753 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,754 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,757 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,757 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:11,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:40:12,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:40:12,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 212 treesize of output 724 [2024-04-06 14:40:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 53 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:40:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526671635] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:40:12,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:40:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 70 [2024-04-06 14:40:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346173980] [2024-04-06 14:40:12,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:40:12,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-04-06 14:40:12,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:40:12,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-04-06 14:40:12,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=4434, Unknown=0, NotChecked=0, Total=4970 [2024-04-06 14:40:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:40:12,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:40:12,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.112676056338028) internal successors, (292), 70 states have internal predecessors, (292), 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 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:40:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:40:29,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:40:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:40:29,573 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 14:40:29,770 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,SelfDestructingSolverStorable12 [2024-04-06 14:40:29,771 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 14:40:29,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:40:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2122016694, now seen corresponding path program 10 times [2024-04-06 14:40:29,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:40:29,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342001954] [2024-04-06 14:40:29,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:40:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:40:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:40:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 20 proven. 798 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:40:31,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:40:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342001954] [2024-04-06 14:40:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342001954] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:40:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790312306] [2024-04-06 14:40:31,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:40:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:40:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:40:31,720 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:40:31,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 14:40:31,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:40:31,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:40:31,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-06 14:40:31,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:40:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 40 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:40:34,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:40:38,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:40:38,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2024-04-06 14:40:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 96 proven. 728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:40:42,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790312306] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:40:42,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:40:42,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2024-04-06 14:40:42,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053670415] [2024-04-06 14:40:42,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:40:42,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-06 14:40:42,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:40:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-06 14:40:42,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=4696, Unknown=0, NotChecked=0, Total=5256 [2024-04-06 14:40:42,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:40:42,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:40:42,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.410958904109589) internal successors, (322), 72 states have internal predecessors, (322), 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 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:40:42,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:40:42,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:41:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:41:01,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-06 14:41:01,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-06 14:41:01,654 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:41:01,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:41:01,654 INFO L85 PathProgramCache]: Analyzing trace with hash -894797860, now seen corresponding path program 11 times [2024-04-06 14:41:01,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:41:01,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902040959] [2024-04-06 14:41:01,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:41:01,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:41:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:41:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 21 proven. 893 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:41:03,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:41:03,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902040959] [2024-04-06 14:41:03,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902040959] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:41:03,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323129225] [2024-04-06 14:41:03,709 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 14:41:03,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:41:03,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:41:03,711 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:41:03,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 14:41:03,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-04-06 14:41:03,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:41:03,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 106 conjunts are in the unsatisfiable core [2024-04-06 14:41:03,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:41:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 41 proven. 879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:41:07,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:41:11,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:41:11,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 250 treesize of output 1764 [2024-04-06 14:41:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 85 proven. 835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:41:16,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323129225] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:41:16,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:41:16,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 30] total 78 [2024-04-06 14:41:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158027818] [2024-04-06 14:41:16,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:41:16,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-06 14:41:16,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:41:16,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-06 14:41:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=5539, Unknown=0, NotChecked=0, Total=6162 [2024-04-06 14:41:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:41:16,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:41:16,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.30379746835443) internal successors, (340), 78 states have internal predecessors, (340), 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 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:41:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:41:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:41:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:41:40,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 14:41:40,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-06 14:41:40,378 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:41:40,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:41:40,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1493916678, now seen corresponding path program 12 times [2024-04-06 14:41:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:41:40,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914619142] [2024-04-06 14:41:40,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:41:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:41:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:41:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 24 proven. 1150 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:41:42,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:41:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914619142] [2024-04-06 14:41:42,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914619142] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:41:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554285817] [2024-04-06 14:41:42,789 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 14:41:42,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:41:42,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:41:42,790 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:41:42,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 14:41:42,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-04-06 14:41:42,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:41:42,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 136 conjunts are in the unsatisfiable core [2024-04-06 14:41:42,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:41:47,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:41:47,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 113 treesize of output 57 [2024-04-06 14:41:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 44 proven. 1136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:41:47,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:41:53,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:41:53,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 270 treesize of output 2040 [2024-04-06 14:42:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 139 proven. 1041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:42:00,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554285817] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:42:00,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:42:00,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 41, 32] total 93 [2024-04-06 14:42:00,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072331532] [2024-04-06 14:42:00,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:42:00,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-06 14:42:00,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:42:00,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-06 14:42:00,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=7913, Unknown=0, NotChecked=0, Total=8742 [2024-04-06 14:42:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:42:00,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:42:00,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.0638297872340425) internal successors, (382), 93 states have internal predecessors, (382), 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 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:42:00,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:42:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:42:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:42:25,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-06 14:42:25,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-06 14:42:25,207 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:42:25,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:42:25,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1068749896, now seen corresponding path program 13 times [2024-04-06 14:42:25,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:42:25,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452491192] [2024-04-06 14:42:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:42:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:42:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:42:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 27 proven. 1438 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-06 14:42:28,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:42:28,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452491192] [2024-04-06 14:42:28,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452491192] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:42:28,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591484628] [2024-04-06 14:42:28,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 14:42:28,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:42:28,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:42:28,612 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:42:28,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 14:42:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:42:28,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-06 14:42:28,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:42:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 47 proven. 1424 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 14:42:33,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:42:40,057 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:42:40,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2024-04-06 14:42:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 204 proven. 1267 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 14:42:48,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591484628] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:42:48,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:42:48,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 90 [2024-04-06 14:42:48,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033340452] [2024-04-06 14:42:48,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:42:48,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-06 14:42:48,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:42:48,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-06 14:42:48,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=7391, Unknown=0, NotChecked=0, Total=8190 [2024-04-06 14:42:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:42:48,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:42:48,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.593406593406593) internal successors, (418), 90 states have internal predecessors, (418), 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 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:42:48,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:43:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:43:23,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-06 14:43:23,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-06 14:43:23,897 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:43:23,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:43:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash 366566974, now seen corresponding path program 14 times [2024-04-06 14:43:23,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:43:23,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543970372] [2024-04-06 14:43:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:43:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:43:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:43:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 1566 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:43:27,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:43:27,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543970372] [2024-04-06 14:43:27,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543970372] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:43:27,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660083950] [2024-04-06 14:43:27,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:43:27,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:43:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:43:27,826 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:43:27,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-06 14:43:27,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:43:27,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:43:27,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-06 14:43:27,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:43:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 48 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:43:33,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:43:40,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:43:40,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 308 treesize of output 2650 [2024-04-06 14:43:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 190 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:43:49,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660083950] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:43:49,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:43:49,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 96 [2024-04-06 14:43:49,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562454132] [2024-04-06 14:43:49,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:43:49,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-04-06 14:43:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:43:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-04-06 14:43:49,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=929, Invalid=8383, Unknown=0, NotChecked=0, Total=9312 [2024-04-06 14:43:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:43:49,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:43:49,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.556701030927835) internal successors, (442), 96 states have internal predecessors, (442), 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 14:43:49,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:43:49,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:43:49,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:43:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:44:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:44:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:44:34,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-06 14:44:34,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-06 14:44:34,613 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:44:34,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:44:34,613 INFO L85 PathProgramCache]: Analyzing trace with hash -7903132, now seen corresponding path program 15 times [2024-04-06 14:44:34,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:44:34,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249162129] [2024-04-06 14:44:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:44:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:44:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:44:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 29 proven. 1697 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:44:38,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:44:38,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249162129] [2024-04-06 14:44:38,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249162129] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:44:38,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427679235] [2024-04-06 14:44:38,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:44:38,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:44:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:44:38,718 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:44:38,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-06 14:44:38,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-04-06 14:44:38,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:44:38,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 138 conjunts are in the unsatisfiable core [2024-04-06 14:44:38,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:44:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 20 proven. 1712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:44:45,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:44:55,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:44:55,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 326 treesize of output 2984 [2024-04-06 14:45:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 144 proven. 1588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:45:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427679235] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:45:07,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:45:07,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 38] total 102 [2024-04-06 14:45:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132506794] [2024-04-06 14:45:07,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:45:07,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-04-06 14:45:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:45:07,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-04-06 14:45:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=9548, Unknown=0, NotChecked=0, Total=10506 [2024-04-06 14:45:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:45:07,792 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:45:07,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.504854368932039) internal successors, (464), 102 states have internal predecessors, (464), 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 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:45:07,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:45:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:45:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 14:45:59,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-06 14:46:00,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:46:00,102 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:46:00,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:46:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1783797378, now seen corresponding path program 16 times [2024-04-06 14:46:00,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:46:00,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756880913] [2024-04-06 14:46:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:46:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:46:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:46:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 32 proven. 2046 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:46:05,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:46:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756880913] [2024-04-06 14:46:05,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756880913] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:46:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917819742] [2024-04-06 14:46:05,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:46:05,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:46:05,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:46:05,380 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:46:05,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-06 14:46:05,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:46:05,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:46:05,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 146 conjunts are in the unsatisfiable core [2024-04-06 14:46:05,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:46:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 52 proven. 2032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:46:13,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:46:24,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:46:24,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2024-04-06 14:46:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 249 proven. 1835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:46:43,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917819742] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:46:43,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:46:43,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 108 [2024-04-06 14:46:43,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364992116] [2024-04-06 14:46:43,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:46:43,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-04-06 14:46:43,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:46:43,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-04-06 14:46:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=10694, Unknown=0, NotChecked=0, Total=11772 [2024-04-06 14:46:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:46:43,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:46:43,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.605504587155964) internal successors, (502), 108 states have internal predecessors, (502), 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 14:46:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:46:43,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-04-06 14:46:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:47:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:47:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:47:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:47:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:47:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:47:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 14:47:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-04-06 14:47:52,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-06 14:47:52,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:47:52,850 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:47:52,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:47:52,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1084334680, now seen corresponding path program 17 times [2024-04-06 14:47:52,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:47:52,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995916696] [2024-04-06 14:47:52,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:47:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:47:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:47:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 33 proven. 2195 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 14:47:58,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:47:58,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995916696] [2024-04-06 14:47:58,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995916696] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:47:58,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433806088] [2024-04-06 14:47:58,430 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 14:47:58,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:47:58,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:47:58,431 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:47:58,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-06 14:47:58,520 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-04-06 14:47:58,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:47:58,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 154 conjunts are in the unsatisfiable core [2024-04-06 14:47:58,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:48:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 53 proven. 2181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:48:07,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:48:18,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:48:18,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 364 treesize of output 3714 [2024-04-06 14:48:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 229 proven. 2005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:48:39,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433806088] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:48:39,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:48:39,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 114 [2024-04-06 14:48:39,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470267730] [2024-04-06 14:48:39,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:48:39,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-06 14:48:39,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:48:39,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-06 14:48:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=11956, Unknown=0, NotChecked=0, Total=13110 [2024-04-06 14:48:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:48:39,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:48:39,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.521739130434782) internal successors, (520), 114 states have internal predecessors, (520), 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 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-04-06 14:48:39,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:50:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 14:50:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-04-06 14:50:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2024-04-06 14:50:00,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-06 14:50:01,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-06 14:50:01,060 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 14:50:01,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:50:01,060 INFO L85 PathProgramCache]: Analyzing trace with hash -150385466, now seen corresponding path program 18 times [2024-04-06 14:50:01,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:50:01,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715699618] [2024-04-06 14:50:01,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:50:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:50:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat