/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-07 00:27:41,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-07 00:27:41,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-07 00:27:41,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-07 00:27:41,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-07 00:27:41,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-07 00:27:41,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-07 00:27:41,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-07 00:27:41,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-07 00:27:41,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-07 00:27:41,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-07 00:27:41,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-07 00:27:41,970 INFO L153 SettingsManager]: * Use SBE=true [2024-04-07 00:27:41,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-07 00:27:41,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-07 00:27:41,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-07 00:27:41,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-07 00:27:41,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-07 00:27:41,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-07 00:27:41,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-07 00:27:41,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-07 00:27:41,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-07 00:27:41,974 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-07 00:27:41,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-07 00:27:41,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 00:27:41,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-07 00:27:41,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-07 00:27:41,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-07 00:27:41,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-07 00:27:42,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-07 00:27:42,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-07 00:27:42,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-07 00:27:42,251 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-07 00:27:42,252 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-07 00:27:42,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl [2024-04-07 00:27:42,253 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl' [2024-04-07 00:27:42,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-07 00:27:42,293 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-07 00:27:42,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-07 00:27:42,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-07 00:27:42,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-07 00:27:42,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,334 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-07 00:27:42,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-07 00:27:42,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-07 00:27:42,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-07 00:27:42,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-07 00:27:42,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-07 00:27:42,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-07 00:27:42,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-07 00:27:42,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-07 00:27:42,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/1) ... [2024-04-07 00:27:42,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 00:27:42,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:27:42,409 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) [2024-04-07 00:27:42,424 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 [2024-04-07 00:27:42,464 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-07 00:27:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-07 00:27:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-07 00:27:42,464 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-07 00:27:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-07 00:27:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-07 00:27:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-07 00:27:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-07 00:27:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-07 00:27:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-07 00:27:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-07 00:27:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-07 00:27:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-07 00:27:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-07 00:27:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-07 00:27:42,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2024-04-07 00:27:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-04-07 00:27:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-04-07 00:27:42,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2024-04-07 00:27:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-04-07 00:27:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-04-07 00:27:42,467 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-07 00:27:42,513 INFO L241 CfgBuilder]: Building ICFG [2024-04-07 00:27:42,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-07 00:27:42,625 INFO L282 CfgBuilder]: Performing block encoding [2024-04-07 00:27:42,645 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-07 00:27:42,645 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-07 00:27:42,647 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 12:27:42 BoogieIcfgContainer [2024-04-07 00:27:42,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-07 00:27:42,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-07 00:27:42,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-07 00:27:42,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-07 00:27:42,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 12:27:42" (1/2) ... [2024-04-07 00:27:42,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44de4560 and model type parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 12:27:42, skipping insertion in model container [2024-04-07 00:27:42,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 12:27:42" (2/2) ... [2024-04-07 00:27:42,653 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-sum-2.wvr.bpl [2024-04-07 00:27:42,658 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-07 00:27:42,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-07 00:27:42,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-07 00:27:42,665 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-07 00:27:42,719 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-04-07 00:27:42,748 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-07 00:27:42,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-07 00:27:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:27:42,769 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) [2024-04-07 00:27:42,772 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 [2024-04-07 00:27:42,814 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-07 00:27:42,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:27:42,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-07 00:27:42,836 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;@62db91b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-07 00:27:42,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-07 00:27:43,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash -652080866, now seen corresponding path program 1 times [2024-04-07 00:27:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:43,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:43,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:43,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:45,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 1 times [2024-04-07 00:27:45,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:45,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:45,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 2 times [2024-04-07 00:27:45,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:45,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:45,871 INFO L85 PathProgramCache]: Analyzing trace with hash 415517528, now seen corresponding path program 1 times [2024-04-07 00:27:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:45,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:46,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash -3858366, now seen corresponding path program 1 times [2024-04-07 00:27:46,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:46,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:46,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash -119609238, now seen corresponding path program 1 times [2024-04-07 00:27:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:46,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:48,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:27:48,374 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 11 treesize of output 3 [2024-04-07 00:27:48,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:48,392 INFO L85 PathProgramCache]: Analyzing trace with hash 587081074, now seen corresponding path program 1 times [2024-04-07 00:27:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:48,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:48,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:48,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1019644212, now seen corresponding path program 1 times [2024-04-07 00:27:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:48,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:50,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:27:50,585 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 11 treesize of output 3 [2024-04-07 00:27:50,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1544199603, now seen corresponding path program 1 times [2024-04-07 00:27:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:50,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:50,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:52,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:27:52,697 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 11 treesize of output 3 [2024-04-07 00:27:52,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash 625547541, now seen corresponding path program 1 times [2024-04-07 00:27:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:52,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:52,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:52,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:54,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2082862561, now seen corresponding path program 1 times [2024-04-07 00:27:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:54,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:55,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:27:55,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:27:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash 38302393, now seen corresponding path program 1 times [2024-04-07 00:27:55,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:27:55,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94451050] [2024-04-07 00:27:55,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:55,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:27:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:27:55,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:27:55,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94451050] [2024-04-07 00:27:55,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94451050] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 00:27:55,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 00:27:55,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-07 00:27:55,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884539655] [2024-04-07 00:27:55,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 00:27:55,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 00:27:55,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:27:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 00:27:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-07 00:27:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:27:55,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:27:55,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-04-07 00:27:55,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:27:55,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 3 times [2024-04-07 00:27:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:55,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:55,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:55,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:55,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1544199603, now seen corresponding path program 2 times [2024-04-07 00:27:55,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:55,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:55,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:27:55,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-04-07 00:27:55,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:27:55,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:27:55,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1710408902, now seen corresponding path program 1 times [2024-04-07 00:27:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:27:55,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214584124] [2024-04-07 00:27:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:27:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:27:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:27:55,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214584124] [2024-04-07 00:27:55,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214584124] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 00:27:55,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 00:27:55,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-07 00:27:55,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055191858] [2024-04-07 00:27:55,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 00:27:55,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-07 00:27:55,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:27:55,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-07 00:27:55,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-07 00:27:55,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:27:55,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:27:55,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-04-07 00:27:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:27:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:27:55,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:57,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:57,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:57,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:57,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:57,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:58,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:27:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 4 times [2024-04-07 00:27:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:27:58,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:27:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:27:58,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:27:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:00,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:00,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 1 times [2024-04-07 00:28:00,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:00,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:00,363 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 1 times [2024-04-07 00:28:00,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:00,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:00,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-07 00:28:00,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:00,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:00,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1648873984, now seen corresponding path program 1 times [2024-04-07 00:28:00,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:00,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931487827] [2024-04-07 00:28:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:00,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:00,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931487827] [2024-04-07 00:28:00,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931487827] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 00:28:00,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 00:28:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-07 00:28:00,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329271296] [2024-04-07 00:28:00,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 00:28:00,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-07 00:28:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:00,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-07 00:28:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-07 00:28:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:00,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:00,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-04-07 00:28:00,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:00,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:00,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:00,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 5 times [2024-04-07 00:28:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:00,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:00,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:02,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:02,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:02,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:02,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:05,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:05,049 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 1 times [2024-04-07 00:28:05,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:05,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:05,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:05,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:28:05,167 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 2 times [2024-04-07 00:28:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:05,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:05,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:05,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-04-07 00:28:05,250 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:05,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:05,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1548570075, now seen corresponding path program 1 times [2024-04-07 00:28:05,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:05,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185076415] [2024-04-07 00:28:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:05,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:05,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185076415] [2024-04-07 00:28:05,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185076415] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:28:05,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143986346] [2024-04-07 00:28:05,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:05,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:05,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:28:05,492 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) [2024-04-07 00:28:05,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-07 00:28:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:05,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-07 00:28:05,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:28:05,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-07 00:28:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:05,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:28:05,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:28:05,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 00:28:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143986346] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:28:05,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:28:05,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 20 [2024-04-07 00:28:05,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755939203] [2024-04-07 00:28:05,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:28:05,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-07 00:28:05,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:05,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-07 00:28:05,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-04-07 00:28:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:05,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:05,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 20 states have internal predecessors, (78), 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) [2024-04-07 00:28:05,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:05,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:05,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:05,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:06,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1260329777, now seen corresponding path program 6 times [2024-04-07 00:28:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:06,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:06,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:28:06,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2024-04-07 00:28:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 2 times [2024-04-07 00:28:07,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:07,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:07,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:07,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:28:07,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2024-04-07 00:28:07,394 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 3 times [2024-04-07 00:28:07,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:07,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:07,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-07 00:28:07,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-07 00:28:07,991 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,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2024-04-07 00:28:07,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:07,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:07,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2042112548, now seen corresponding path program 2 times [2024-04-07 00:28:07,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:07,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382546316] [2024-04-07 00:28:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:07,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:28:08,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:08,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382546316] [2024-04-07 00:28:08,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382546316] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:28:08,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818485989] [2024-04-07 00:28:08,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 00:28:08,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:28:08,037 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) [2024-04-07 00:28:08,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-07 00:28:08,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 00:28:08,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:28:08,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-07 00:28:08,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:28:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:28:08,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:28:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:28:08,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818485989] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:28:08,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:28:08,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 5 [2024-04-07 00:28:08,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416480693] [2024-04-07 00:28:08,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:28:08,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 00:28:08,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:08,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 00:28:08,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-07 00:28:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:08,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:08,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 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) [2024-04-07 00:28:08,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:08,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:08,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:08,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-07 00:28:08,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:08,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 00:28:08,468 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 3 times [2024-04-07 00:28:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:08,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:08,710 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 4 times [2024-04-07 00:28:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:08,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-07 00:28:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:09,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-07 00:28:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-07 00:28:09,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:09,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:09,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2043437662, now seen corresponding path program 3 times [2024-04-07 00:28:09,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:09,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476462529] [2024-04-07 00:28:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:09,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:09,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476462529] [2024-04-07 00:28:09,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476462529] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:28:09,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378033905] [2024-04-07 00:28:09,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 00:28:09,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:09,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:28:09,481 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) [2024-04-07 00:28:09,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-07 00:28:09,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-07 00:28:09,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:28:09,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-07 00:28:09,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:28:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 00:28:09,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:28:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-07 00:28:09,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378033905] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:28:09,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:28:09,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-04-07 00:28:09,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709998078] [2024-04-07 00:28:09,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:28:09,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-07 00:28:09,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:09,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-07 00:28:09,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-07 00:28:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:09,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:09,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 00:28:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-07 00:28:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:09,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 00:28:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 4 times [2024-04-07 00:28:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:09,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 5 times [2024-04-07 00:28:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:10,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:28:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:28:10,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-07 00:28:11,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:11,063 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:11,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1052177633, now seen corresponding path program 4 times [2024-04-07 00:28:11,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:11,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618414253] [2024-04-07 00:28:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:11,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:11,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:11,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618414253] [2024-04-07 00:28:11,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618414253] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:28:11,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951394219] [2024-04-07 00:28:11,810 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 00:28:11,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:11,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:28:11,811 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) [2024-04-07 00:28:11,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-07 00:28:11,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 00:28:11,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:28:11,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-07 00:28:11,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:28:12,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-04-07 00:28:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:12,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:28:12,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:28:12,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 37 treesize of output 98 [2024-04-07 00:28:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:12,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951394219] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:28:12,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:28:12,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 44 [2024-04-07 00:28:12,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829041158] [2024-04-07 00:28:12,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:28:12,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-07 00:28:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:12,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-07 00:28:12,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1756, Unknown=0, NotChecked=0, Total=1980 [2024-04-07 00:28:12,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:12,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:12,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.066666666666667) internal successors, (93), 44 states have internal predecessors, (93), 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) [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:28:12,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 5 times [2024-04-07 00:28:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:13,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:13,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:14,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 00:28:14,101 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 6 times [2024-04-07 00:28:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:14,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:14,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:28:19,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-07 00:28:19,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-07 00:28:19,282 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,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-04-07 00:28:19,282 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:28:19,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:28:19,283 INFO L85 PathProgramCache]: Analyzing trace with hash 682705609, now seen corresponding path program 5 times [2024-04-07 00:28:19,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:28:19,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082859793] [2024-04-07 00:28:19,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:19,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:28:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-04-07 00:28:20,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:28:20,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082859793] [2024-04-07 00:28:20,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082859793] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:28:20,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318879256] [2024-04-07 00:28:20,262 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 00:28:20,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:28:20,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:28:20,264 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) [2024-04-07 00:28:20,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-07 00:28:20,353 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-07 00:28:20,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:28:20,355 WARN L260 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-07 00:28:20,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:28:21,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-04-07 00:28:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:22,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:28:24,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:28:24,337 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 87 treesize of output 648 [2024-04-07 00:28:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:28:32,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318879256] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:28:32,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:28:32,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 37, 36] total 85 [2024-04-07 00:28:32,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726322670] [2024-04-07 00:28:32,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:28:32,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-04-07 00:28:32,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:28:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-04-07 00:28:32,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=6624, Unknown=0, NotChecked=0, Total=7310 [2024-04-07 00:28:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:32,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:28:32,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 85 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) [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-07 00:28:32,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:28:34,008 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 6 times [2024-04-07 00:28:34,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:28:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:28:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:28:34,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:28:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:00,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:02,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:02,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:02,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1544185732, now seen corresponding path program 1 times [2024-04-07 00:29:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:02,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:02,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-07 00:29:02,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-04-07 00:29:02,989 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:29:02,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:29:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1223284305, now seen corresponding path program 1 times [2024-04-07 00:29:02,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:29:02,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055170266] [2024-04-07 00:29:02,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:03,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:29:03,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055170266] [2024-04-07 00:29:03,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055170266] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:29:03,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6357392] [2024-04-07 00:29:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:03,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:03,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:29:03,125 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) [2024-04-07 00:29:03,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-07 00:29:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:03,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-07 00:29:03,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:29:03,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-07 00:29:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:03,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:29:03,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:03,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 00:29:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:03,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6357392] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:29:03,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:29:03,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 20 [2024-04-07 00:29:03,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16176419] [2024-04-07 00:29:03,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:29:03,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-07 00:29:03,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:29:03,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-07 00:29:03,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-04-07 00:29:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:03,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:29:03,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 20 states have internal predecessors, (78), 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) [2024-04-07 00:29:03,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:05,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:05,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:05,964 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 11 treesize of output 3 [2024-04-07 00:29:05,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 2 times [2024-04-07 00:29:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:05,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:06,278 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 7 times [2024-04-07 00:29:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:06,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:06,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:06,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1544185732, now seen corresponding path program 2 times [2024-04-07 00:29:06,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:06,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:06,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:07,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-07 00:29:07,566 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-04-07 00:29:07,567 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:29:07,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:29:07,567 INFO L85 PathProgramCache]: Analyzing trace with hash -590691507, now seen corresponding path program 2 times [2024-04-07 00:29:07,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:29:07,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607771434] [2024-04-07 00:29:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:07,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:08,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:29:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607771434] [2024-04-07 00:29:08,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607771434] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:29:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051517708] [2024-04-07 00:29:08,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 00:29:08,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:08,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:29:08,058 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) [2024-04-07 00:29:08,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-07 00:29:08,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 00:29:08,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:29:08,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-07 00:29:08,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:29:08,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:08,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2024-04-07 00:29:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:08,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:29:09,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:09,132 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 27 treesize of output 48 [2024-04-07 00:29:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:09,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051517708] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:29:09,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:29:09,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-07 00:29:09,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254488214] [2024-04-07 00:29:09,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:29:09,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-07 00:29:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:29:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-07 00:29:09,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1923, Unknown=0, NotChecked=0, Total=2162 [2024-04-07 00:29:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:09,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:29:09,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 46 states have internal predecessors, (86), 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) [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 3 times [2024-04-07 00:29:09,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:09,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 8 times [2024-04-07 00:29:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:10,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:11,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 00:29:11,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1544185732, now seen corresponding path program 3 times [2024-04-07 00:29:11,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:11,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:11,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-07 00:29:15,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-07 00:29:15,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:15,334 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:29:15,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:29:15,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1963411015, now seen corresponding path program 3 times [2024-04-07 00:29:15,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:29:15,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154309549] [2024-04-07 00:29:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:15,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-07 00:29:15,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:29:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154309549] [2024-04-07 00:29:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154309549] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:29:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016062695] [2024-04-07 00:29:15,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 00:29:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:29:15,934 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) [2024-04-07 00:29:15,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-07 00:29:15,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-07 00:29:15,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:29:15,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 91 conjunts are in the unsatisfiable core [2024-04-07 00:29:15,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:29:17,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:17,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 51 treesize of output 213 [2024-04-07 00:29:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:17,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:29:18,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:18,271 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 27 treesize of output 48 [2024-04-07 00:29:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-04-07 00:29:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016062695] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:29:18,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:29:18,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30, 18] total 58 [2024-04-07 00:29:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663523043] [2024-04-07 00:29:18,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:29:18,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-04-07 00:29:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:29:18,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-04-07 00:29:18,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=3148, Unknown=0, NotChecked=0, Total=3422 [2024-04-07 00:29:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:18,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:29:18,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.847457627118644) internal successors, (109), 58 states have internal predecessors, (109), 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) [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 00:29:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-07 00:29:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:19,730 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 9 times [2024-04-07 00:29:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:19,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:29:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-07 00:29:30,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-07 00:29:31,075 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,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-04-07 00:29:31,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:29:31,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:29:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1523880508, now seen corresponding path program 1 times [2024-04-07 00:29:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:29:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073258786] [2024-04-07 00:29:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:31,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:29:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073258786] [2024-04-07 00:29:31,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073258786] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:29:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591097497] [2024-04-07 00:29:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:31,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:29:31,102 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) [2024-04-07 00:29:31,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-07 00:29:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:31,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-07 00:29:31,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:29:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:31,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:29:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:31,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591097497] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:29:31,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:29:31,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-04-07 00:29:31,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822316354] [2024-04-07 00:29:31,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:29:31,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 00:29:31,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:29:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 00:29:31,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-07 00:29:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:31,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:29:31,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-07 00:29:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 4 times [2024-04-07 00:29:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:31,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:31,595 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 1 times [2024-04-07 00:29:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:31,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:33,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:33,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:33,937 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 11 treesize of output 3 [2024-04-07 00:29:33,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:33,972 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 1 times [2024-04-07 00:29:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:33,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:29:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:29:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:34,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-07 00:29:34,412 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,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-04-07 00:29:34,412 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:29:34,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:29:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 62552259, now seen corresponding path program 2 times [2024-04-07 00:29:34,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:29:34,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183384653] [2024-04-07 00:29:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:29:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:34,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:29:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183384653] [2024-04-07 00:29:34,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183384653] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:29:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851949215] [2024-04-07 00:29:34,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 00:29:34,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:29:34,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:29:34,721 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) [2024-04-07 00:29:34,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-07 00:29:34,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 00:29:34,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:29:34,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-07 00:29:34,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:29:35,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:35,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2024-04-07 00:29:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:35,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:29:35,632 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:29:35,644 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:35,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 50 [2024-04-07 00:29:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:29:35,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851949215] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:29:35,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:29:35,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2024-04-07 00:29:35,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788779629] [2024-04-07 00:29:35,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:29:35,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-07 00:29:35,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:29:35,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-07 00:29:35,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2024-04-07 00:29:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:35,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:29:35,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 34 states have internal predecessors, (88), 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) [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:29:35,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:29:37,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:37,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 5 times [2024-04-07 00:29:37,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:37,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:37,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:37,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:29:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 2 times [2024-04-07 00:29:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:29:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:29:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:39,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:29:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:29:40,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:29:40,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 45 [2024-04-07 00:30:06,689 INFO L85 PathProgramCache]: Analyzing trace with hash 326750261, now seen corresponding path program 3 times [2024-04-07 00:30:06,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:06,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:07,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:07,120 INFO L85 PathProgramCache]: Analyzing trace with hash 474392118, now seen corresponding path program 4 times [2024-04-07 00:30:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:07,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:07,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:07,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash 624295831, now seen corresponding path program 5 times [2024-04-07 00:30:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:09,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:09,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:09,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2082250894, now seen corresponding path program 6 times [2024-04-07 00:30:09,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:09,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:09,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:10,459 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 10 times [2024-04-07 00:30:10,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:10,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 7 times [2024-04-07 00:30:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:10,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:10,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:16,675 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:30:16,676 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:30:16,676 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:30:16,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:30:16,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 24 [2024-04-07 00:30:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 2 times [2024-04-07 00:30:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:18,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:19,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:30:19,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 45 [2024-04-07 00:30:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1816112086, now seen corresponding path program 1 times [2024-04-07 00:30:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:42,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 3 times [2024-04-07 00:30:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:43,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -100903386, now seen corresponding path program 4 times [2024-04-07 00:30:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:43,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:43,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:30:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:30:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:30:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:30:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:30:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-07 00:30:44,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-07 00:30:44,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable52,SelfDestructingSolverStorable63,SelfDestructingSolverStorable53,SelfDestructingSolverStorable64,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-04-07 00:30:44,825 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:30:44,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:30:44,825 INFO L85 PathProgramCache]: Analyzing trace with hash -252007422, now seen corresponding path program 3 times [2024-04-07 00:30:44,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:30:44,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166503248] [2024-04-07 00:30:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:44,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:30:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:30:44,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:30:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166503248] [2024-04-07 00:30:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166503248] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:30:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772070510] [2024-04-07 00:30:44,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 00:30:44,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:30:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:30:44,889 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) [2024-04-07 00:30:44,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-07 00:30:44,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-07 00:30:44,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:30:44,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-07 00:30:44,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:30:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:30:44,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:30:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:30:45,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772070510] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:30:45,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:30:45,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 9 [2024-04-07 00:30:45,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458712365] [2024-04-07 00:30:45,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:30:45,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-07 00:30:45,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:30:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-07 00:30:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-04-07 00:30:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:30:45,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:30:45,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-07 00:30:45,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:30:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 6 times [2024-04-07 00:30:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:45,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:46,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:30:46,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:30:46,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-04-07 00:30:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 5 times [2024-04-07 00:30:46,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:46,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:46,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:46,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:50,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:52,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:52,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 6 times [2024-04-07 00:30:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:30:56,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:30:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:56,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:30:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:30:59,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:59,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:30:59,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:09,411 INFO L85 PathProgramCache]: Analyzing trace with hash -100903386, now seen corresponding path program 7 times [2024-04-07 00:31:09,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:09,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:09,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:09,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-07 00:31:10,099 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,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-04-07 00:31:10,099 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:31:10,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:31:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1256715230, now seen corresponding path program 4 times [2024-04-07 00:31:10,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:31:10,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437887921] [2024-04-07 00:31:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:31:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:31:10,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:31:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437887921] [2024-04-07 00:31:10,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437887921] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:31:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152635098] [2024-04-07 00:31:10,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 00:31:10,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:31:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:31:10,137 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) [2024-04-07 00:31:10,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-07 00:31:10,191 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 00:31:10,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:31:10,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-07 00:31:10,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:31:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:31:10,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:31:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 00:31:10,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152635098] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:31:10,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:31:10,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-04-07 00:31:10,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259535494] [2024-04-07 00:31:10,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:31:10,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 00:31:10,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:31:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 00:31:10,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-07 00:31:10,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:10,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:31:10,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:10,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:10,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:10,535 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:31:10,535 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 11 treesize of output 3 [2024-04-07 00:31:12,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:12,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:12,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 7 times [2024-04-07 00:31:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:12,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 7 times [2024-04-07 00:31:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:12,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:12,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:12,957 INFO L85 PathProgramCache]: Analyzing trace with hash 326750261, now seen corresponding path program 8 times [2024-04-07 00:31:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:12,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:13,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:15,203 INFO L85 PathProgramCache]: Analyzing trace with hash 474392118, now seen corresponding path program 9 times [2024-04-07 00:31:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:15,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:15,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:17,342 INFO L85 PathProgramCache]: Analyzing trace with hash 624295831, now seen corresponding path program 10 times [2024-04-07 00:31:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:17,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:17,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:17,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2082250894, now seen corresponding path program 11 times [2024-04-07 00:31:17,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:17,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:17,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:18,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:31:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 8 times [2024-04-07 00:31:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:18,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:18,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:20,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:20,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:31:20,441 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 11 treesize of output 3 [2024-04-07 00:31:20,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:20,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1816112086, now seen corresponding path program 2 times [2024-04-07 00:31:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:20,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:20,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:22,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:22,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:25,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:35,156 WARN L293 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 17 DAG size of output: 12 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-04-07 00:31:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 9 times [2024-04-07 00:31:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:35,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:35,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:35,535 INFO L85 PathProgramCache]: Analyzing trace with hash -100903386, now seen corresponding path program 10 times [2024-04-07 00:31:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:35,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:35,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:35,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-07 00:31:36,056 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,SelfDestructingSolverStorable80,SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2024-04-07 00:31:36,057 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:31:36,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:31:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash 951897829, now seen corresponding path program 5 times [2024-04-07 00:31:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:31:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608638831] [2024-04-07 00:31:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:36,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:31:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:31:36,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:31:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608638831] [2024-04-07 00:31:36,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608638831] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:31:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920655247] [2024-04-07 00:31:36,409 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 00:31:36,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:31:36,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:31:36,410 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) [2024-04-07 00:31:36,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-07 00:31:36,469 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-07 00:31:36,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:31:36,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-07 00:31:36,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:31:36,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-04-07 00:31:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:31:37,032 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:31:37,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:31:37,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:31:37,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:31:37,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:31:37,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 68 [2024-04-07 00:31:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:31:37,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920655247] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:31:37,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:31:37,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 42 [2024-04-07 00:31:37,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445898475] [2024-04-07 00:31:37,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:31:37,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-07 00:31:37,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:31:37,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-07 00:31:37,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2024-04-07 00:31:37,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:37,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:31:37,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.116279069767442) internal successors, (91), 42 states have internal predecessors, (91), 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) [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:37,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:42,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:31:42,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 11 times [2024-04-07 00:31:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:42,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:43,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:31:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 12 times [2024-04-07 00:31:43,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:43,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:43,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash -100903386, now seen corresponding path program 13 times [2024-04-07 00:31:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:43,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:45,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-07 00:31:45,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-07 00:31:46,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:31:46,198 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:31:46,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:31:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1679402967, now seen corresponding path program 6 times [2024-04-07 00:31:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:31:46,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265538799] [2024-04-07 00:31:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:46,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:31:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-07 00:31:46,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:31:46,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265538799] [2024-04-07 00:31:46,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265538799] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:31:46,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246459114] [2024-04-07 00:31:46,823 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 00:31:46,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:31:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:31:46,826 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) [2024-04-07 00:31:46,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-07 00:31:46,869 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-07 00:31:46,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:31:46,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-07 00:31:46,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:31:47,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:31:47,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 61 [2024-04-07 00:31:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:31:47,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:31:48,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:31:48,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 47 treesize of output 168 [2024-04-07 00:31:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:31:48,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246459114] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:31:48,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:31:48,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 26, 26] total 66 [2024-04-07 00:31:48,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986979622] [2024-04-07 00:31:48,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:31:48,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-07 00:31:48,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:31:48,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-07 00:31:48,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=3970, Unknown=0, NotChecked=0, Total=4422 [2024-04-07 00:31:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:48,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:31:48,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.791044776119403) internal successors, (120), 66 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 00:31:48,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:48,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:48,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:31:48,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:48,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-07 00:31:48,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:31:50,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 8 times [2024-04-07 00:31:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:54,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:54,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 12 times [2024-04-07 00:31:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:54,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:54,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:54,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash 326750261, now seen corresponding path program 13 times [2024-04-07 00:31:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:56,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:56,940 INFO L85 PathProgramCache]: Analyzing trace with hash 474392118, now seen corresponding path program 14 times [2024-04-07 00:31:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:56,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:57,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:31:57,048 INFO L85 PathProgramCache]: Analyzing trace with hash 624295831, now seen corresponding path program 15 times [2024-04-07 00:31:57,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:57,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:57,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:57,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2082250894, now seen corresponding path program 16 times [2024-04-07 00:31:57,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:31:57,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:31:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:31:57,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:31:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:05,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2024-04-07 00:32:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 14 times [2024-04-07 00:32:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:05,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1816112086, now seen corresponding path program 3 times [2024-04-07 00:32:06,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:06,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:32,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1816097671, now seen corresponding path program 15 times [2024-04-07 00:32:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:32,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:32:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:32:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:32:32,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-07 00:32:32,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:32:32,448 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:32:32,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:32:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1061982125, now seen corresponding path program 7 times [2024-04-07 00:32:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:32:32,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238646730] [2024-04-07 00:32:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:32:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:32,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:32:32,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238646730] [2024-04-07 00:32:32,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238646730] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:32:32,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368050502] [2024-04-07 00:32:32,827 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 00:32:32,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:32:32,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:32:32,832 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) [2024-04-07 00:32:32,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-07 00:32:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:32:32,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-07 00:32:32,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:32:33,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-04-07 00:32:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:33,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:32:33,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:32:33,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 37 treesize of output 98 [2024-04-07 00:32:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:33,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368050502] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:32:33,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:32:33,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2024-04-07 00:32:33,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634841093] [2024-04-07 00:32:33,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:32:33,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-07 00:32:33,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:32:33,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-07 00:32:33,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1657, Unknown=0, NotChecked=0, Total=1892 [2024-04-07 00:32:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:32:33,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:32:33,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.159090909090909) internal successors, (95), 43 states have internal predecessors, (95), 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) [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:32:33,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:32:33,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:32:34,946 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:34,947 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:34,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-04-07 00:32:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 9 times [2024-04-07 00:32:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:34,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:34,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:41,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2024-04-07 00:32:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1816097671, now seen corresponding path program 16 times [2024-04-07 00:32:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:41,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:32:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-07 00:32:42,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-07 00:32:42,874 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,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97 [2024-04-07 00:32:42,874 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:32:42,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:32:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash 569482577, now seen corresponding path program 8 times [2024-04-07 00:32:42,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:32:42,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584614324] [2024-04-07 00:32:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:32:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:32:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584614324] [2024-04-07 00:32:43,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584614324] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:32:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989349784] [2024-04-07 00:32:43,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 00:32:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:32:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:32:43,264 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) [2024-04-07 00:32:43,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-07 00:32:43,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 00:32:43,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:32:43,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-07 00:32:43,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:32:43,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:32:43,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 51 [2024-04-07 00:32:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:43,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:32:45,097 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,098 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:45,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:32:45,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 45 treesize of output 140 [2024-04-07 00:32:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:32:45,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989349784] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:32:45,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:32:45,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 57 [2024-04-07 00:32:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715167524] [2024-04-07 00:32:45,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:32:45,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-07 00:32:45,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:32:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-07 00:32:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=2904, Unknown=0, NotChecked=0, Total=3306 [2024-04-07 00:32:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:32:45,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:32:45,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 57 states have internal predecessors, (112), 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) [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-07 00:32:45,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:32:48,483 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:48,484 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:48,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-04-07 00:32:48,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 10 times [2024-04-07 00:32:48,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:32:48,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:32:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:48,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:32:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:32:50,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:50,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:50,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:32:50,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:32:50,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 162 treesize of output 316 [2024-04-07 00:33:15,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2082339244, now seen corresponding path program 17 times [2024-04-07 00:33:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:33:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:33:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:33:15,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:33:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:33:17,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:33:17,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:33:17,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:33:17,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:33:17,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 162 treesize of output 316 [2024-04-07 00:34:58,942 INFO L85 PathProgramCache]: Analyzing trace with hash 326750261, now seen corresponding path program 18 times [2024-04-07 00:34:58,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:34:58,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:34:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:34:58,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:34:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:35:00,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:00,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:00,108 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:00,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:35:00,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 162 treesize of output 316 [2024-04-07 00:35:35,258 INFO L85 PathProgramCache]: Analyzing trace with hash 474392118, now seen corresponding path program 19 times [2024-04-07 00:35:35,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:35:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:35:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:35:35,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:35:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:35:35,814 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:35,815 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:35,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:35:35,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:35:35,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 162 treesize of output 316 [2024-04-07 00:36:20,021 INFO L85 PathProgramCache]: Analyzing trace with hash 624295831, now seen corresponding path program 20 times [2024-04-07 00:36:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:36:20,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:36:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:36:20,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:36:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:36:20,522 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:36:20,523 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:36:20,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:36:20,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:36:20,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 162 treesize of output 316 [2024-04-07 00:38:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1347123944, now seen corresponding path program 21 times [2024-04-07 00:38:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:38:03,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:38:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:03,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:38:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:04,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:38:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2082250894, now seen corresponding path program 22 times [2024-04-07 00:38:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:38:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:38:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:06,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:38:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:08,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-07 00:38:08,010 INFO L85 PathProgramCache]: Analyzing trace with hash 411654611, now seen corresponding path program 23 times [2024-04-07 00:38:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:38:08,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:38:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:08,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:38:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:09,024 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:38:09,024 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:38:09,025 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:38:09,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:38:09,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 78 [2024-04-07 00:38:44,007 INFO L85 PathProgramCache]: Analyzing trace with hash 463093844, now seen corresponding path program 24 times [2024-04-07 00:38:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:38:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:38:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:44,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:38:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:58,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:38:58,798 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 17 times [2024-04-07 00:38:58,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:38:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:38:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:38:58,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:38:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:06,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2024-04-07 00:39:06,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1816097671, now seen corresponding path program 18 times [2024-04-07 00:39:06,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:06,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:39:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-07 00:39:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-04-07 00:39:18,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-07 00:39:18,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable98,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104,SelfDestructingSolverStorable99,SelfDestructingSolverStorable105,SelfDestructingSolverStorable106,SelfDestructingSolverStorable107,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103 [2024-04-07 00:39:18,943 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (and 8 more)] === [2024-04-07 00:39:18,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 00:39:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1349347917, now seen corresponding path program 9 times [2024-04-07 00:39:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 00:39:18,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929764830] [2024-04-07 00:39:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 00:39:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-07 00:39:19,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 00:39:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929764830] [2024-04-07 00:39:19,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929764830] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 00:39:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290954268] [2024-04-07 00:39:19,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 00:39:19,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 00:39:19,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 00:39:19,676 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) [2024-04-07 00:39:19,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-07 00:39:19,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-07 00:39:19,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 00:39:19,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 91 conjunts are in the unsatisfiable core [2024-04-07 00:39:19,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 00:39:21,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:39:21,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 55 treesize of output 263 [2024-04-07 00:39:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 00:39:22,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 00:39:23,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:39:23,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2024-04-07 00:39:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-07 00:39:23,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290954268] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 00:39:23,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 00:39:23,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 16] total 61 [2024-04-07 00:39:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000406566] [2024-04-07 00:39:23,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 00:39:23,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-04-07 00:39:23,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 00:39:23,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-04-07 00:39:23,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=3488, Unknown=0, NotChecked=0, Total=3782 [2024-04-07 00:39:23,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:39:23,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 00:39:23,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.8870967741935485) internal successors, (117), 61 states have internal predecessors, (117), 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) [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2024-04-07 00:39:23,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 00:39:24,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:39:24,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:39:24,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2024-04-07 00:39:26,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1544200147, now seen corresponding path program 11 times [2024-04-07 00:39:26,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:26,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:26,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:27,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2024-04-07 00:39:27,866 INFO L85 PathProgramCache]: Analyzing trace with hash -119609237, now seen corresponding path program 11 times [2024-04-07 00:39:27,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:27,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash 587081059, now seen corresponding path program 8 times [2024-04-07 00:39:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:28,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:30,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:39:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1544185732, now seen corresponding path program 4 times [2024-04-07 00:39:30,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:30,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:30,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:34,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:39:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2096192059, now seen corresponding path program 19 times [2024-04-07 00:39:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:34,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:35,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-04-07 00:39:35,086 INFO L85 PathProgramCache]: Analyzing trace with hash -557444280, now seen corresponding path program 20 times [2024-04-07 00:39:35,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:35,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:35,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:35,399 INFO L85 PathProgramCache]: Analyzing trace with hash -100903386, now seen corresponding path program 21 times [2024-04-07 00:39:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:35,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:38,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2024-04-07 00:39:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1816097671, now seen corresponding path program 22 times [2024-04-07 00:39:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:39:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:39:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:38,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:39:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:39:52,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:39:52,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:39:52,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:39:52,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:39:52,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 158 treesize of output 312 [2024-04-07 00:41:02,733 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-04-07 00:41:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1513143560, now seen corresponding path program 23 times [2024-04-07 00:41:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 00:41:29,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 00:41:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:41:29,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-07 00:41:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-07 00:41:31,367 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:41:31,368 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:41:31,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 00:41:31,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 00:41:31,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 158 treesize of output 312 Received shutdown request... [2024-04-07 00:41:59,110 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 00:41:59,110 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 00:41:59,110 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-07 00:42:00,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-04-07 00:42:00,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-07 00:42:00,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable119,SelfDestructingSolverStorable115,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117,SelfDestructingSolverStorable118,SelfDestructingSolverStorable111,SelfDestructingSolverStorable112,SelfDestructingSolverStorable113,SelfDestructingSolverStorable114 [2024-04-07 00:42:00,201 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. [2024-04-07 00:42:00,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-04-07 00:42:00,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2024-04-07 00:42:00,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (8 of 11 remaining) [2024-04-07 00:42:00,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2024-04-07 00:42:00,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork4Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2024-04-07 00:42:00,208 INFO L445 BasicCegarLoop]: Path program histogram: [24, 23, 11, 11, 9, 8, 6, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-07 00:42:00,211 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-07 00:42:00,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-07 00:42:00,220 INFO L201 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 12:42:00 BasicIcfg [2024-04-07 00:42:00,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-07 00:42:00,227 INFO L158 Benchmark]: Toolchain (without parser) took 857927.65ms. Allocated memory was 154.1MB in the beginning and 834.7MB in the end (delta: 680.5MB). Free memory was 130.5MB in the beginning and 203.2MB in the end (delta: -72.7MB). Peak memory consumption was 613.3MB. Max. memory is 8.0GB. [2024-04-07 00:42:00,227 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-07 00:42:00,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.50ms. Allocated memory is still 154.1MB. Free memory was 130.4MB in the beginning and 128.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-07 00:42:00,227 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 154.1MB. Free memory was 128.6MB in the beginning and 127.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-07 00:42:00,227 INFO L158 Benchmark]: RCFGBuilder took 282.85ms. Allocated memory is still 154.1MB. Free memory was 127.5MB in the beginning and 115.7MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-07 00:42:00,228 INFO L158 Benchmark]: TraceAbstraction took 857572.40ms. Allocated memory was 154.1MB in the beginning and 834.7MB in the end (delta: 680.5MB). Free memory was 114.4MB in the beginning and 203.2MB in the end (delta: -88.7MB). Peak memory consumption was 598.6MB. Max. memory is 8.0GB. [2024-04-07 00:42:00,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.50ms. Allocated memory is still 154.1MB. Free memory was 130.4MB in the beginning and 128.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 154.1MB. Free memory was 128.6MB in the beginning and 127.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.85ms. Allocated memory is still 154.1MB. Free memory was 127.5MB in the beginning and 115.7MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 857572.40ms. Allocated memory was 154.1MB in the beginning and 834.7MB in the end (delta: 680.5MB). Free memory was 114.4MB in the beginning and 203.2MB in the end (delta: -88.7MB). Peak memory consumption was 598.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 331118, independent: 269662, independent conditional: 269468, independent unconditional: 194, dependent: 61456, dependent conditional: 61383, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 271587, independent: 269662, independent conditional: 269468, independent unconditional: 194, dependent: 1925, dependent conditional: 1913, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271587, independent: 269662, independent conditional: 269468, independent unconditional: 194, dependent: 1925, dependent conditional: 1913, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 271587, independent: 269662, independent conditional: 269468, independent unconditional: 194, dependent: 1925, dependent conditional: 1913, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 20715, independent unconditional: 248947, dependent: 12579, dependent conditional: 9741, dependent unconditional: 2838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 13902, independent unconditional: 255760, dependent: 12579, dependent conditional: 9365, dependent unconditional: 3214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 13902, independent unconditional: 255760, dependent: 12579, dependent conditional: 9365, dependent unconditional: 3214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 472, independent: 320, independent conditional: 6, independent unconditional: 314, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 472, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 152, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 365, dependent conditional: 323, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 282241, independent: 269342, independent conditional: 13896, independent unconditional: 255446, dependent: 12427, dependent conditional: 9217, dependent unconditional: 3210, unknown: 472, unknown conditional: 154, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 472, Positive cache size: 320, Positive conditional cache size: 6, Positive unconditional cache size: 314, Negative cache size: 152, Negative conditional cache size: 148, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7189, Maximal queried relation: 20, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 20715, independent unconditional: 248947, dependent: 12579, dependent conditional: 9741, dependent unconditional: 2838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 13902, independent unconditional: 255760, dependent: 12579, dependent conditional: 9365, dependent unconditional: 3214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 282241, independent: 269662, independent conditional: 13902, independent unconditional: 255760, dependent: 12579, dependent conditional: 9365, dependent unconditional: 3214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 472, independent: 320, independent conditional: 6, independent unconditional: 314, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 472, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 152, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 152, dependent conditional: 148, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 365, dependent conditional: 323, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 282241, independent: 269342, independent conditional: 13896, independent unconditional: 255446, dependent: 12427, dependent conditional: 9217, dependent unconditional: 3210, unknown: 472, unknown conditional: 154, unknown unconditional: 318] , Statistics on independence cache: Total cache size (in pairs): 472, Positive cache size: 320, Positive conditional cache size: 6, Positive unconditional cache size: 314, Negative cache size: 152, Negative conditional cache size: 148, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7189 ], Independence queries for same thread: 59531 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 857.4s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 817.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1397, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 34.8s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 1954 ConstructedInterpolants, 21 QuantifiedInterpolants, 25017 SizeOfPredicates, 213 NumberOfNonLiveVariables, 2701 ConjunctsInSsa, 796 ConjunctsInUnsatCore, 54 InterpolantComputations, 3 PerfectInterpolantSequences, 206/1313 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown