/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 --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 19:29:14,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 19:29:14,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 19:29:14,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 19:29:14,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 19:29:14,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 19:29:14,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 19:29:14,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 19:29:14,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 19:29:14,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 19:29:14,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 19:29:14,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 19:29:14,564 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 19:29:14,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 19:29:14,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 19:29:14,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 19:29:14,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 19:29:14,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 19:29:14,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 19:29:14,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 19:29:14,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 19:29:14,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 19:29:14,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 19:29:14,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 19:29:14,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 19:29:14,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 19:29:14,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 19:29:14,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 19:29:14,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 19:29:14,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 19:29:14,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 19:29:14,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 19:29:14,794 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 19:29:14,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-05-30 19:29:15,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 19:29:16,001 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 19:29:16,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-05-30 19:29:16,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9860ec991/75c320f21e184519abdd07169cb469f8/FLAG2a6dd11da [2024-05-30 19:29:16,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9860ec991/75c320f21e184519abdd07169cb469f8 [2024-05-30 19:29:16,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 19:29:16,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 19:29:16,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 19:29:16,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 19:29:16,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 19:29:16,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b3d460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16, skipping insertion in model container [2024-05-30 19:29:16,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 19:29:16,170 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2024-05-30 19:29:16,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 19:29:16,188 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 19:29:16,205 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2024-05-30 19:29:16,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 19:29:16,227 INFO L206 MainTranslator]: Completed translation [2024-05-30 19:29:16,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16 WrapperNode [2024-05-30 19:29:16,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 19:29:16,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 19:29:16,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 19:29:16,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 19:29:16,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,301 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 311 [2024-05-30 19:29:16,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 19:29:16,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 19:29:16,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 19:29:16,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 19:29:16,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 19:29:16,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 19:29:16,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 19:29:16,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 19:29:16,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (1/1) ... [2024-05-30 19:29:16,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 19:29:16,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:16,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 19:29:16,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 19:29:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 19:29:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 19:29:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 19:29:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 19:29:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 19:29:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-30 19:29:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-30 19:29:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 19:29:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 19:29:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 19:29:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 19:29:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 19:29:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 19:29:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 19:29:16,452 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 19:29:16,542 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 19:29:16,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 19:29:16,887 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 19:29:17,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 19:29:17,050 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-30 19:29:17,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 07:29:17 BoogieIcfgContainer [2024-05-30 19:29:17,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 19:29:17,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 19:29:17,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 19:29:17,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 19:29:17,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 07:29:16" (1/3) ... [2024-05-30 19:29:17,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c381db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 07:29:17, skipping insertion in model container [2024-05-30 19:29:17,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:29:16" (2/3) ... [2024-05-30 19:29:17,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c381db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 07:29:17, skipping insertion in model container [2024-05-30 19:29:17,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 07:29:17" (3/3) ... [2024-05-30 19:29:17,058 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-05-30 19:29:17,065 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 19:29:17,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 19:29:17,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 19:29:17,072 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 19:29:17,133 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-30 19:29:17,171 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 19:29:17,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 19:29:17,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:17,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 19:29:17,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 19:29:17,206 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 19:29:17,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 19:29:17,218 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;@9069dca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 19:29:17,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 19:29:17,318 INFO L78 Accepts]: Start accepts. Automaton has currently 370 states, but on-demand construction may add more states Word has length 166 [2024-05-30 19:29:17,319 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:17,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:17,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:17,326 INFO L85 PathProgramCache]: Analyzing trace with hash -685654061, now seen corresponding path program 1 times [2024-05-30 19:29:17,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:17,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460940496] [2024-05-30 19:29:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:17,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:17,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:17,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460940496] [2024-05-30 19:29:17,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460940496] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:29:17,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:29:17,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 19:29:17,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572985613] [2024-05-30 19:29:17,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:29:17,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 19:29:17,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:17,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 19:29:17,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 19:29:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:17,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:17,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:17,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:17,692 INFO L78 Accepts]: Start accepts. Automaton has currently 274 states, but on-demand construction may add more states Word has length 161 [2024-05-30 19:29:17,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:17,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 19:29:17,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:17,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1090990955, now seen corresponding path program 1 times [2024-05-30 19:29:17,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:17,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821325094] [2024-05-30 19:29:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:17,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:18,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:18,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821325094] [2024-05-30 19:29:18,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821325094] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:29:18,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:29:18,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 19:29:18,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968987728] [2024-05-30 19:29:18,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:29:18,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 19:29:18,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:18,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 19:29:18,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-05-30 19:29:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,202 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:18,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:18,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:18,333 INFO L78 Accepts]: Start accepts. Automaton has currently 289 states, but on-demand construction may add more states Word has length 166 [2024-05-30 19:29:18,335 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:18,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 19:29:18,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:18,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:18,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1769304777, now seen corresponding path program 1 times [2024-05-30 19:29:18,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:18,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764125493] [2024-05-30 19:29:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:18,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:18,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764125493] [2024-05-30 19:29:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764125493] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:29:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:29:18,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 19:29:18,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075242950] [2024-05-30 19:29:18,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:29:18,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 19:29:18,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:18,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 19:29:18,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-05-30 19:29:18,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:18,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:18,973 INFO L78 Accepts]: Start accepts. Automaton has currently 1489 states, but on-demand construction may add more states Word has length 166 [2024-05-30 19:29:18,975 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:18,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 19:29:18,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:18,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:18,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1037555429, now seen corresponding path program 1 times [2024-05-30 19:29:18,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:18,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419652115] [2024-05-30 19:29:18,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:18,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:19,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:19,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:19,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419652115] [2024-05-30 19:29:19,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419652115] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:29:19,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:29:19,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-30 19:29:19,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385822845] [2024-05-30 19:29:19,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:29:19,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-30 19:29:19,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:19,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-30 19:29:19,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-30 19:29:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:19,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:19,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:19,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:19,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:19,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:19,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:19,484 INFO L78 Accepts]: Start accepts. Automaton has currently 1497 states, but on-demand construction may add more states Word has length 174 [2024-05-30 19:29:19,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:19,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 19:29:19,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:19,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:19,486 INFO L85 PathProgramCache]: Analyzing trace with hash -573648799, now seen corresponding path program 1 times [2024-05-30 19:29:19,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:19,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463888722] [2024-05-30 19:29:19,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463888722] [2024-05-30 19:29:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463888722] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600559354] [2024-05-30 19:29:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:19,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:19,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:19,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:19,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 19:29:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:20,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 19:29:20,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:20,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:20,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600559354] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:20,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:20,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-30 19:29:20,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453278728] [2024-05-30 19:29:20,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:20,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-30 19:29:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-30 19:29:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-05-30 19:29:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:20,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:20,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.833333333333334) internal successors, (260), 24 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:20,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:20,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:20,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:20,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:20,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:20,735 INFO L78 Accepts]: Start accepts. Automaton has currently 1506 states, but on-demand construction may add more states Word has length 182 [2024-05-30 19:29:20,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:20,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-30 19:29:20,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:20,942 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:20,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1998418467, now seen corresponding path program 2 times [2024-05-30 19:29:20,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:20,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691356198] [2024-05-30 19:29:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 19:29:21,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:21,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691356198] [2024-05-30 19:29:21,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691356198] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:29:21,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:29:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 19:29:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767170197] [2024-05-30 19:29:21,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:29:21,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 19:29:21,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 19:29:21,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-05-30 19:29:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:21,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:21,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:21,361 INFO L78 Accepts]: Start accepts. Automaton has currently 1521 states, but on-demand construction may add more states Word has length 187 [2024-05-30 19:29:21,362 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:21,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 19:29:21,362 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:21,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1752062191, now seen corresponding path program 1 times [2024-05-30 19:29:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:21,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75401211] [2024-05-30 19:29:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 19:29:21,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:21,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75401211] [2024-05-30 19:29:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75401211] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201220841] [2024-05-30 19:29:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:21,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:21,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:21,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 19:29:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:22,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-30 19:29:22,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:22,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 7 [2024-05-30 19:29:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:29:22,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:22,673 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-30 19:29:22,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 12 [2024-05-30 19:29:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 19:29:22,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201220841] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:22,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:22,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 10] total 24 [2024-05-30 19:29:22,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568450409] [2024-05-30 19:29:22,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:22,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-30 19:29:22,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:22,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-30 19:29:22,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2024-05-30 19:29:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:22,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:22,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.5) internal successors, (324), 24 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:22,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 19:29:23,411 INFO L78 Accepts]: Start accepts. Automaton has currently 2092 states, but on-demand construction may add more states Word has length 197 [2024-05-30 19:29:23,412 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:23,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:23,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:23,616 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:23,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash 232736175, now seen corresponding path program 2 times [2024-05-30 19:29:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:23,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045579894] [2024-05-30 19:29:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:29:24,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:24,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045579894] [2024-05-30 19:29:24,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045579894] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:24,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329806786] [2024-05-30 19:29:24,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:29:24,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:24,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:24,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:24,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 19:29:24,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 19:29:24,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:29:24,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 19:29:24,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:29:24,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:29:24,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329806786] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:24,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:24,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-05-30 19:29:24,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732542653] [2024-05-30 19:29:24,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:24,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-30 19:29:24,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:24,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-30 19:29:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1019, Unknown=0, NotChecked=0, Total=1260 [2024-05-30 19:29:24,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:24,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:24,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 11.0) internal successors, (396), 36 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 19:29:24,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-30 19:29:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:25,249 INFO L78 Accepts]: Start accepts. Automaton has currently 2104 states, but on-demand construction may add more states Word has length 213 [2024-05-30 19:29:25,250 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:25,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:25,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:25,457 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:25,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:25,457 INFO L85 PathProgramCache]: Analyzing trace with hash 498839479, now seen corresponding path program 3 times [2024-05-30 19:29:25,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:25,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285415525] [2024-05-30 19:29:25,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:25,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 19:29:25,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:25,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285415525] [2024-05-30 19:29:25,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285415525] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:25,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382470150] [2024-05-30 19:29:25,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 19:29:25,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:25,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:25,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 19:29:25,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 19:29:25,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:29:25,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-30 19:29:25,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 19:29:26,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 19:29:26,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382470150] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:26,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:26,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 23 [2024-05-30 19:29:26,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212328746] [2024-05-30 19:29:26,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:26,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-05-30 19:29:26,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:26,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-05-30 19:29:26,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2024-05-30 19:29:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:26,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:26,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.434782608695652) internal successors, (355), 23 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:26,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-30 19:29:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-30 19:29:26,794 INFO L78 Accepts]: Start accepts. Automaton has currently 2885 states, but on-demand construction may add more states Word has length 203 [2024-05-30 19:29:26,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:26,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:27,004 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,SelfDestructingSolverStorable8 [2024-05-30 19:29:27,004 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:27,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash -158842377, now seen corresponding path program 1 times [2024-05-30 19:29:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:27,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391629575] [2024-05-30 19:29:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:29:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391629575] [2024-05-30 19:29:27,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391629575] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096070023] [2024-05-30 19:29:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:27,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:27,556 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:27,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 19:29:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:27,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-30 19:29:27,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:28,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:29,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096070023] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:29,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:29,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 47 [2024-05-30 19:29:29,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173951551] [2024-05-30 19:29:29,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:29,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-05-30 19:29:29,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:29,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-05-30 19:29:29,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1856, Unknown=0, NotChecked=0, Total=2162 [2024-05-30 19:29:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:29,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:29,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.638297872340425) internal successors, (453), 47 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-30 19:29:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-30 19:29:30,969 INFO L78 Accepts]: Start accepts. Automaton has currently 6600 states, but on-demand construction may add more states Word has length 213 [2024-05-30 19:29:30,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:30,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:31,178 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,SelfDestructingSolverStorable9 [2024-05-30 19:29:31,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:31,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:31,179 INFO L85 PathProgramCache]: Analyzing trace with hash 858994661, now seen corresponding path program 4 times [2024-05-30 19:29:31,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:31,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37205491] [2024-05-30 19:29:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 19:29:31,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:31,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37205491] [2024-05-30 19:29:31,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37205491] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:31,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634696834] [2024-05-30 19:29:31,653 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 19:29:31,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:31,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:31,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 19:29:31,772 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 19:29:31,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:29:31,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 19:29:31,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 19:29:32,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 19:29:32,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634696834] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:32,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:32,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 43 [2024-05-30 19:29:32,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304766973] [2024-05-30 19:29:32,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:32,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-30 19:29:32,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:32,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-30 19:29:32,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2024-05-30 19:29:32,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:32,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:32,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.046511627906977) internal successors, (389), 43 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-30 19:29:32,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 19:29:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:34,042 INFO L78 Accepts]: Start accepts. Automaton has currently 9979 states, but on-demand construction may add more states Word has length 223 [2024-05-30 19:29:34,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:34,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-30 19:29:34,248 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,SelfDestructingSolverStorable10 [2024-05-30 19:29:34,248 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:34,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:34,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1192833609, now seen corresponding path program 5 times [2024-05-30 19:29:34,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:34,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099294335] [2024-05-30 19:29:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:34,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 19:29:35,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:35,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099294335] [2024-05-30 19:29:35,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099294335] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:35,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195758244] [2024-05-30 19:29:35,351 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 19:29:35,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:35,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:35,373 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:35,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 19:29:35,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-30 19:29:35,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:29:35,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-30 19:29:35,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:37,307 INFO L349 Elim1Store]: treesize reduction 107, result has 8.5 percent of original size [2024-05-30 19:29:37,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 65 treesize of output 24 [2024-05-30 19:29:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:37,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:38,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:29:38,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2024-05-30 19:29:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:39,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195758244] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:39,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:39,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 31, 31] total 72 [2024-05-30 19:29:39,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996071722] [2024-05-30 19:29:39,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:39,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-30 19:29:39,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-30 19:29:39,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=4470, Unknown=0, NotChecked=0, Total=5112 [2024-05-30 19:29:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:39,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:39,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.916666666666667) internal successors, (498), 72 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 19:29:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:46,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:47,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-30 19:29:47,640 INFO L78 Accepts]: Start accepts. Automaton has currently 14219 states, but on-demand construction may add more states Word has length 236 [2024-05-30 19:29:47,641 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:47,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:47,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:47,842 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:47,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1764279855, now seen corresponding path program 6 times [2024-05-30 19:29:47,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:47,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937342245] [2024-05-30 19:29:47,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:47,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 38 proven. 21 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 19:29:48,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:48,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937342245] [2024-05-30 19:29:48,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937342245] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:48,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541083829] [2024-05-30 19:29:48,171 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 19:29:48,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:48,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:48,172 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:48,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 19:29:48,356 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-30 19:29:48,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:29:48,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 25 conjunts are in the unsatisfiable core [2024-05-30 19:29:48,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 52 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-30 19:29:48,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-30 19:29:49,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541083829] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:49,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:49,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 22, 22] total 46 [2024-05-30 19:29:49,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7318974] [2024-05-30 19:29:49,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:49,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-30 19:29:49,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-30 19:29:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1775, Unknown=0, NotChecked=0, Total=2070 [2024-05-30 19:29:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:49,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:49,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 10.630434782608695) internal successors, (489), 46 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:49,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-30 19:29:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:52,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:29:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:29:52,323 INFO L78 Accepts]: Start accepts. Automaton has currently 19527 states, but on-demand construction may add more states Word has length 226 [2024-05-30 19:29:52,324 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:52,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:52,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:52,530 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:52,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1230749021, now seen corresponding path program 7 times [2024-05-30 19:29:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210732063] [2024-05-30 19:29:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 19:29:52,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:52,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210732063] [2024-05-30 19:29:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210732063] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919171240] [2024-05-30 19:29:52,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 19:29:52,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:52,853 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:52,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 19:29:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:52,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-30 19:29:52,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:29:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 19:29:53,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:29:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 19:29:53,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919171240] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:29:53,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:29:53,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 24 [2024-05-30 19:29:53,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555728803] [2024-05-30 19:29:53,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:29:53,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-30 19:29:53,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:29:53,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-30 19:29:53,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-05-30 19:29:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:53,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:29:53,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.958333333333334) internal successors, (359), 24 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:29:53,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:29:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:29:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:29:54,468 INFO L78 Accepts]: Start accepts. Automaton has currently 22621 states, but on-demand construction may add more states Word has length 241 [2024-05-30 19:29:54,470 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:29:54,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 19:29:54,675 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,SelfDestructingSolverStorable13 [2024-05-30 19:29:54,676 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:29:54,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:29:54,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1932481495, now seen corresponding path program 8 times [2024-05-30 19:29:54,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:29:54,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981766099] [2024-05-30 19:29:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:29:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:29:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:29:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 30 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:29:59,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:29:59,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981766099] [2024-05-30 19:29:59,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981766099] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:29:59,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171071752] [2024-05-30 19:29:59,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:29:59,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:29:59,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:29:59,847 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:29:59,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-30 19:30:00,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 19:30:00,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:30:00,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 121 conjunts are in the unsatisfiable core [2024-05-30 19:30:00,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:30:01,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:30:02,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:02,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:02,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:02,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:04,349 INFO L349 Elim1Store]: treesize reduction 48, result has 62.8 percent of original size [2024-05-30 19:30:04,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 76 treesize of output 97 [2024-05-30 19:30:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:30:04,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:30:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-30 19:30:06,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171071752] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:30:06,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:30:06,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 50, 23] total 112 [2024-05-30 19:30:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308234920] [2024-05-30 19:30:06,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:30:06,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-05-30 19:30:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:30:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-05-30 19:30:06,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=979, Invalid=11453, Unknown=0, NotChecked=0, Total=12432 [2024-05-30 19:30:06,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:06,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:30:06,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 5.330357142857143) internal successors, (597), 112 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:06,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:06,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:30:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:24,610 INFO L78 Accepts]: Start accepts. Automaton has currently 38191 states, but on-demand construction may add more states Word has length 254 [2024-05-30 19:30:24,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:30:24,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-30 19:30:24,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:30:24,813 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:30:24,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:30:24,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1605757855, now seen corresponding path program 9 times [2024-05-30 19:30:24,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:30:24,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201873882] [2024-05-30 19:30:24,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:30:24,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:30:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:30:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:25,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:30:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201873882] [2024-05-30 19:30:25,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201873882] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:30:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83182388] [2024-05-30 19:30:25,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 19:30:25,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:30:25,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:30:25,198 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:30:25,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-30 19:30:25,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-30 19:30:25,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:30:25,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-30 19:30:25,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:30:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:25,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:30:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 46 proven. 52 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:25,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83182388] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:30:25,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:30:25,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 12] total 25 [2024-05-30 19:30:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827060768] [2024-05-30 19:30:25,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:30:25,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-30 19:30:25,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:30:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-30 19:30:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2024-05-30 19:30:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:25,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:30:25,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.28) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:30:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:25,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:30:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:30:27,801 INFO L78 Accepts]: Start accepts. Automaton has currently 40572 states, but on-demand construction may add more states Word has length 249 [2024-05-30 19:30:27,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:30:27,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-30 19:30:28,004 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,SelfDestructingSolverStorable15 [2024-05-30 19:30:28,004 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:30:28,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:30:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2025805869, now seen corresponding path program 1 times [2024-05-30 19:30:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:30:28,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467058136] [2024-05-30 19:30:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:30:28,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:30:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:30:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 56 proven. 108 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-05-30 19:30:28,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:30:28,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467058136] [2024-05-30 19:30:28,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467058136] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:30:28,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164785156] [2024-05-30 19:30:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:30:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:30:28,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:30:28,861 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:30:28,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-30 19:30:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:30:29,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-30 19:30:29,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:30:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 85 proven. 79 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-05-30 19:30:29,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:30:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 126 proven. 38 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-05-30 19:30:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164785156] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:30:30,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:30:30,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 63 [2024-05-30 19:30:30,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148224868] [2024-05-30 19:30:30,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:30:30,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-30 19:30:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:30:30,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-30 19:30:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=3410, Unknown=0, NotChecked=0, Total=3906 [2024-05-30 19:30:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:30,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:30:30,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.603174603174603) internal successors, (542), 63 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-30 19:30:30,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:30:30,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:30:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:30:32,946 INFO L78 Accepts]: Start accepts. Automaton has currently 46936 states, but on-demand construction may add more states Word has length 254 [2024-05-30 19:30:32,948 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:30:32,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-30 19:30:33,154 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,SelfDestructingSolverStorable16 [2024-05-30 19:30:33,154 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:30:33,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:30:33,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1938058675, now seen corresponding path program 10 times [2024-05-30 19:30:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:30:33,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902131658] [2024-05-30 19:30:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:30:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:30:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:30:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:33,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:30:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902131658] [2024-05-30 19:30:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902131658] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:30:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343062090] [2024-05-30 19:30:33,548 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 19:30:33,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:30:33,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:30:33,549 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:30:33,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-30 19:30:33,694 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 19:30:33,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:30:33,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-30 19:30:33,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:30:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:34,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:30:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 60 proven. 38 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:34,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343062090] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:30:34,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:30:34,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 13] total 25 [2024-05-30 19:30:34,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651161504] [2024-05-30 19:30:34,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:30:34,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-30 19:30:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:30:34,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-30 19:30:34,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2024-05-30 19:30:34,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:34,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:30:34,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.28) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:30:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:30:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:30:35,694 INFO L78 Accepts]: Start accepts. Automaton has currently 46951 states, but on-demand construction may add more states Word has length 259 [2024-05-30 19:30:35,696 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:30:35,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-30 19:30:35,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-30 19:30:35,897 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:30:35,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:30:35,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1324784255, now seen corresponding path program 11 times [2024-05-30 19:30:35,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:30:35,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751684924] [2024-05-30 19:30:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:30:35,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:30:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:30:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 46 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:30:42,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:30:42,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751684924] [2024-05-30 19:30:42,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751684924] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:30:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887557352] [2024-05-30 19:30:42,021 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 19:30:42,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:30:42,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:30:42,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:30:42,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-30 19:30:42,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-30 19:30:42,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:30:42,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 147 conjunts are in the unsatisfiable core [2024-05-30 19:30:42,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:30:43,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-30 19:30:44,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:45,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:45,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:45,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:30:47,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:30:47,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 10 case distinctions, treesize of input 59 treesize of output 19 [2024-05-30 19:30:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:30:47,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:30:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-30 19:30:49,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887557352] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:30:49,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:30:49,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56, 27] total 125 [2024-05-30 19:30:49,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783941487] [2024-05-30 19:30:49,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:30:49,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-05-30 19:30:49,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:30:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-05-30 19:30:49,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1507, Invalid=13993, Unknown=0, NotChecked=0, Total=15500 [2024-05-30 19:30:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:49,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:30:49,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 5.016) internal successors, (627), 125 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:30:49,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:30:49,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:30:49,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:49,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:30:50,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:00,821 INFO L78 Accepts]: Start accepts. Automaton has currently 46975 states, but on-demand construction may add more states Word has length 272 [2024-05-30 19:31:00,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:31:00,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-30 19:31:01,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:01,025 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:31:01,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:31:01,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1381407753, now seen corresponding path program 12 times [2024-05-30 19:31:01,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:31:01,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465618570] [2024-05-30 19:31:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:31:01,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:31:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:31:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 87 proven. 60 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-30 19:31:01,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:31:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465618570] [2024-05-30 19:31:01,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465618570] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:31:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553340883] [2024-05-30 19:31:01,404 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 19:31:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:01,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:31:01,405 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) [2024-05-30 19:31:01,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-30 19:31:01,807 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-30 19:31:01,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:31:01,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 61 conjunts are in the unsatisfiable core [2024-05-30 19:31:01,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:31:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-05-30 19:31:02,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:31:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-05-30 19:31:03,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553340883] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:31:03,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:31:03,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 31] total 67 [2024-05-30 19:31:03,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062852992] [2024-05-30 19:31:03,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:31:03,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-05-30 19:31:03,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:31:03,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-05-30 19:31:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=584, Invalid=3838, Unknown=0, NotChecked=0, Total=4422 [2024-05-30 19:31:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:03,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:31:03,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 8.597014925373134) internal successors, (576), 67 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:03,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:09,673 INFO L78 Accepts]: Start accepts. Automaton has currently 54596 states, but on-demand construction may add more states Word has length 280 [2024-05-30 19:31:09,676 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:31:09,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-30 19:31:09,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:09,877 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:31:09,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:31:09,877 INFO L85 PathProgramCache]: Analyzing trace with hash 834891927, now seen corresponding path program 13 times [2024-05-30 19:31:09,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:31:09,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411428538] [2024-05-30 19:31:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:31:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:31:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:31:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 87 proven. 60 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:31:10,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:31:10,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411428538] [2024-05-30 19:31:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411428538] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:31:10,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112067464] [2024-05-30 19:31:10,227 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 19:31:10,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:10,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:31:10,228 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) [2024-05-30 19:31:10,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-30 19:31:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:31:10,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-30 19:31:10,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:31:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 175 proven. 144 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 19:31:11,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:31:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 232 proven. 87 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-30 19:31:12,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112067464] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:31:12,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:31:12,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 31] total 66 [2024-05-30 19:31:12,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933262316] [2024-05-30 19:31:12,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:31:12,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-30 19:31:12,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:31:12,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-30 19:31:12,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=617, Invalid=3673, Unknown=0, NotChecked=0, Total=4290 [2024-05-30 19:31:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:12,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:31:12,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 8.893939393939394) internal successors, (587), 66 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:12,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:12,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-30 19:31:16,872 INFO L78 Accepts]: Start accepts. Automaton has currently 59297 states, but on-demand construction may add more states Word has length 290 [2024-05-30 19:31:16,875 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:31:16,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-30 19:31:17,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:17,076 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:31:17,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:31:17,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1828229253, now seen corresponding path program 14 times [2024-05-30 19:31:17,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:31:17,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206592505] [2024-05-30 19:31:17,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:31:17,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:31:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:31:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 119 proven. 87 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:31:17,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:31:17,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206592505] [2024-05-30 19:31:17,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206592505] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:31:17,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875320767] [2024-05-30 19:31:17,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:31:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:31:17,473 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) [2024-05-30 19:31:17,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-30 19:31:17,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 19:31:17,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:31:17,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-30 19:31:17,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:31:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 93 proven. 113 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:31:18,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:31:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 119 proven. 87 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:31:18,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875320767] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:31:18,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:31:18,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 15] total 31 [2024-05-30 19:31:18,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855723353] [2024-05-30 19:31:18,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:31:18,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-30 19:31:18,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:31:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-30 19:31:18,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-05-30 19:31:18,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:18,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:31:18,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.0) internal successors, (372), 31 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:31:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:18,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-30 19:31:18,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:31:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:31:21,047 INFO L78 Accepts]: Start accepts. Automaton has currently 59312 states, but on-demand construction may add more states Word has length 295 [2024-05-30 19:31:21,051 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:31:21,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-05-30 19:31:21,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-05-30 19:31:21,251 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:31:21,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:31:21,252 INFO L85 PathProgramCache]: Analyzing trace with hash 712490823, now seen corresponding path program 15 times [2024-05-30 19:31:21,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:31:21,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800077476] [2024-05-30 19:31:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:31:21,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:31:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:31:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 22 proven. 448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:31:29,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:31:29,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800077476] [2024-05-30 19:31:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800077476] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:31:29,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097197772] [2024-05-30 19:31:29,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 19:31:29,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:31:29,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:31:29,824 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:31:29,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-30 19:31:30,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-30 19:31:30,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:31:30,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 185 conjunts are in the unsatisfiable core [2024-05-30 19:31:30,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:31:31,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:31:31,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:31:31,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:31:31,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:31:31,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-30 19:31:32,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:31:32,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:31:32,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:31:32,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:31:36,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:31:36,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 23 [2024-05-30 19:31:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 57 proven. 238 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-30 19:31:36,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:31:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:31:40,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097197772] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:31:40,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:31:40,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 54, 35] total 144 [2024-05-30 19:31:40,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141086148] [2024-05-30 19:31:40,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:31:40,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-05-30 19:31:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:31:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-05-30 19:31:40,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1988, Invalid=18604, Unknown=0, NotChecked=0, Total=20592 [2024-05-30 19:31:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:40,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:31:40,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 4.659722222222222) internal successors, (671), 144 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:31:40,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:31:40,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:31:40,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:31:40,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:32:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:32:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:32:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-30 19:32:25,748 INFO L78 Accepts]: Start accepts. Automaton has currently 75500 states, but on-demand construction may add more states Word has length 303 [2024-05-30 19:32:25,752 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:32:25,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-30 19:32:25,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:32:25,952 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:32:25,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:32:25,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1131214261, now seen corresponding path program 2 times [2024-05-30 19:32:25,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:32:25,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090977332] [2024-05-30 19:32:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:32:25,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:32:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:32:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 182 proven. 230 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-30 19:32:27,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:32:27,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090977332] [2024-05-30 19:32:27,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090977332] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:32:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917550446] [2024-05-30 19:32:27,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:32:27,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:32:27,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:32:27,143 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:32:27,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-30 19:32:27,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 19:32:27,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:32:27,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-30 19:32:27,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:32:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 232 proven. 184 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-30 19:32:28,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:32:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 297 proven. 119 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-30 19:32:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917550446] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:32:29,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:32:29,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 94 [2024-05-30 19:32:29,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495241729] [2024-05-30 19:32:29,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:32:29,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-05-30 19:32:29,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:32:29,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-05-30 19:32:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=977, Invalid=7765, Unknown=0, NotChecked=0, Total=8742 [2024-05-30 19:32:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:29,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:32:29,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 7.159574468085107) internal successors, (673), 94 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:32:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-05-30 19:32:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:32:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:32:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:32:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:32:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:32:54,318 INFO L78 Accepts]: Start accepts. Automaton has currently 96579 states, but on-demand construction may add more states Word has length 313 [2024-05-30 19:32:54,321 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:32:54,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-30 19:32:54,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-30 19:32:54,522 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:32:54,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:32:54,523 INFO L85 PathProgramCache]: Analyzing trace with hash 34038457, now seen corresponding path program 16 times [2024-05-30 19:32:54,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:32:54,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290420585] [2024-05-30 19:32:54,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:32:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:32:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:33:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 0 proven. 609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:33:01,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:33:01,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290420585] [2024-05-30 19:33:01,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290420585] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:33:01,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808793979] [2024-05-30 19:33:01,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 19:33:01,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:33:01,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:33:01,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:33:01,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-30 19:33:01,973 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 19:33:01,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:33:01,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 177 conjunts are in the unsatisfiable core [2024-05-30 19:33:01,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:33:06,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:33:06,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 167 treesize of output 649 [2024-05-30 19:33:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 65 proven. 312 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-30 19:33:19,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:33:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-30 19:33:24,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808793979] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:33:24,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:33:24,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 44, 39] total 140 [2024-05-30 19:33:24,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911410000] [2024-05-30 19:33:24,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:33:24,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2024-05-30 19:33:24,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:33:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2024-05-30 19:33:24,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=19023, Unknown=0, NotChecked=0, Total=19460 [2024-05-30 19:33:24,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:24,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:33:24,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 4.685714285714286) internal successors, (656), 140 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:33:24,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:33:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:33:46,058 INFO L78 Accepts]: Start accepts. Automaton has currently 97359 states, but on-demand construction may add more states Word has length 326 [2024-05-30 19:33:46,061 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:33:46,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-30 19:33:46,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-30 19:33:46,264 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:33:46,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:33:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1744456945, now seen corresponding path program 17 times [2024-05-30 19:33:46,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:33:46,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849112740] [2024-05-30 19:33:46,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:33:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:33:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:33:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 198 proven. 156 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-30 19:33:46,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:33:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849112740] [2024-05-30 19:33:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849112740] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:33:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094884754] [2024-05-30 19:33:46,786 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 19:33:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:33:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:33:46,787 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:33:46,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-30 19:33:47,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-05-30 19:33:47,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:33:47,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-30 19:33:47,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:33:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 164 proven. 190 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-30 19:33:47,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:33:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 172 proven. 182 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-30 19:33:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094884754] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:33:47,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:33:47,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 24, 16] total 37 [2024-05-30 19:33:47,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072781058] [2024-05-30 19:33:47,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:33:47,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-30 19:33:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:33:47,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-30 19:33:47,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=1027, Unknown=0, NotChecked=0, Total=1332 [2024-05-30 19:33:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:47,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:33:47,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.135135135135135) internal successors, (412), 37 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:33:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:33:47,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:33:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:33:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-05-30 19:33:54,398 INFO L78 Accepts]: Start accepts. Automaton has currently 106069 states, but on-demand construction may add more states Word has length 321 [2024-05-30 19:33:54,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:33:54,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-30 19:33:54,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-30 19:33:54,603 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:33:54,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:33:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1055315267, now seen corresponding path program 3 times [2024-05-30 19:33:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:33:54,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540235408] [2024-05-30 19:33:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:33:54,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:33:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:33:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 240 proven. 251 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-05-30 19:33:55,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:33:55,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540235408] [2024-05-30 19:33:55,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540235408] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:33:55,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382506305] [2024-05-30 19:33:55,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 19:33:55,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:33:55,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:33:55,682 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:33:55,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-30 19:33:56,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-30 19:33:56,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:33:56,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 174 conjunts are in the unsatisfiable core [2024-05-30 19:33:56,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:33:59,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:33:59,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 case distinctions, treesize of input 89 treesize of output 25 [2024-05-30 19:33:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 73 proven. 277 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-30 19:33:59,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:34:02,442 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-05-30 19:34:02,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 12 [2024-05-30 19:34:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-30 19:34:02,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382506305] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:34:02,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:34:02,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 50, 39] total 118 [2024-05-30 19:34:02,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556307678] [2024-05-30 19:34:02,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:34:02,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-05-30 19:34:02,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:34:02,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-05-30 19:34:02,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1654, Invalid=12152, Unknown=0, NotChecked=0, Total=13806 [2024-05-30 19:34:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:34:02,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:34:02,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 5.516949152542373) internal successors, (651), 118 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:34:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-05-30 19:34:02,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:34:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:34:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:34:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:34:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:34:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:34:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2024-05-30 19:34:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-30 19:34:39,433 INFO L78 Accepts]: Start accepts. Automaton has currently 129908 states, but on-demand construction may add more states Word has length 331 [2024-05-30 19:34:39,437 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:34:39,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-30 19:34:39,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-05-30 19:34:39,638 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:34:39,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:34:39,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1212431375, now seen corresponding path program 18 times [2024-05-30 19:34:39,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:34:39,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207122537] [2024-05-30 19:34:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:34:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:34:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:34:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:34:48,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:34:48,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207122537] [2024-05-30 19:34:48,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207122537] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:34:48,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550487811] [2024-05-30 19:34:48,835 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 19:34:48,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:34:48,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:34:48,836 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:34:48,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-30 19:34:49,366 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-30 19:34:49,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:34:49,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 226 conjunts are in the unsatisfiable core [2024-05-30 19:34:49,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:34:52,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-30 19:34:53,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:34:53,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:34:54,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:34:54,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 19:35:08,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,987 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,997 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:08,999 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,006 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,013 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,017 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,021 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 19:35:09,022 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 19:35:09,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:35:09,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 125 treesize of output 54 [2024-05-30 19:35:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 765 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:35:09,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:36:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 390 refuted. 6 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-30 19:36:39,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550487811] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:36:39,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:36:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 81, 47] total 191 [2024-05-30 19:36:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618198787] [2024-05-30 19:36:39,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:36:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-05-30 19:36:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:36:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-05-30 19:36:39,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4025, Invalid=32208, Unknown=57, NotChecked=0, Total=36290 [2024-05-30 19:36:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:36:39,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:36:39,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 4.329842931937173) internal successors, (827), 191 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:36:39,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:36:39,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2024-05-30 19:36:39,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:36:39,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:36:39,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2024-05-30 19:36:39,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-30 19:36:39,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:37:56,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:37:58,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:03,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:17,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:19,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:21,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:24,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:26,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:28,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:32,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:35,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:37,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:46,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:51,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:53,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:55,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:57,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:38:59,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:39:03,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:39:07,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:39:09,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:39:11,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:41:05,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:41:07,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:41:09,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2024-05-30 19:41:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-30 19:41:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-30 19:41:09,693 INFO L78 Accepts]: Start accepts. Automaton has currently 131737 states, but on-demand construction may add more states Word has length 339 [2024-05-30 19:41:09,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:41:09,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-30 19:41:09,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:41:09,899 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:41:09,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:41:09,899 INFO L85 PathProgramCache]: Analyzing trace with hash -950692589, now seen corresponding path program 4 times [2024-05-30 19:41:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:41:09,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132200143] [2024-05-30 19:41:09,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:41:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:41:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:41:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 306 proven. 343 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-05-30 19:41:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:41:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132200143] [2024-05-30 19:41:15,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132200143] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:41:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325009893] [2024-05-30 19:41:15,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 19:41:15,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:41:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:41:15,444 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 19:41:15,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-30 19:41:15,659 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 19:41:15,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:41:15,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 97 conjunts are in the unsatisfiable core [2024-05-30 19:41:15,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:41:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 807 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:41:36,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:42:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 451 proven. 356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:42:02,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325009893] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:42:02,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:42:02,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 49, 49] total 129 [2024-05-30 19:42:02,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032252284] [2024-05-30 19:42:02,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:42:02,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-05-30 19:42:02,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:42:02,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-05-30 19:42:02,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2131, Invalid=14381, Unknown=0, NotChecked=0, Total=16512 [2024-05-30 19:42:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:42:02,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:42:02,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 6.395348837209302) internal successors, (825), 129 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-30 19:42:02,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-30 19:42:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-30 19:42:53,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-30 19:42:53,603 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 [2024-05-30 19:42:53,603 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 [2024-05-30 19:42:53,603 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 19:42:53,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-30 19:42:53,782 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-30 19:42:53,784 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 19:42:53,789 INFO L445 BasicCegarLoop]: Path program histogram: [18, 4, 2, 1, 1, 1, 1, 1] [2024-05-30 19:42:53,790 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-05-30 19:42:53,791 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 19:42:53,791 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 19:42:53,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 07:42:53 BasicIcfg [2024-05-30 19:42:53,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 19:42:53,793 INFO L158 Benchmark]: Toolchain (without parser) took 817773.74ms. Allocated memory was 181.4MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 111.4MB in the beginning and 881.0MB in the end (delta: -769.5MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-30 19:42:53,793 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 19:42:53,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.49ms. Allocated memory is still 181.4MB. Free memory was 111.2MB in the beginning and 98.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 19:42:53,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.61ms. Allocated memory was 181.4MB in the beginning and 276.8MB in the end (delta: 95.4MB). Free memory was 98.2MB in the beginning and 248.2MB in the end (delta: -150.0MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2024-05-30 19:42:53,794 INFO L158 Benchmark]: Boogie Preprocessor took 51.49ms. Allocated memory is still 276.8MB. Free memory was 248.2MB in the beginning and 245.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 19:42:53,794 INFO L158 Benchmark]: RCFGBuilder took 696.84ms. Allocated memory is still 276.8MB. Free memory was 245.6MB in the beginning and 192.6MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2024-05-30 19:42:53,794 INFO L158 Benchmark]: TraceAbstraction took 816740.22ms. Allocated memory was 276.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 191.1MB in the beginning and 881.0MB in the end (delta: -689.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-30 19:42:53,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.49ms. Allocated memory is still 181.4MB. Free memory was 111.2MB in the beginning and 98.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.61ms. Allocated memory was 181.4MB in the beginning and 276.8MB in the end (delta: 95.4MB). Free memory was 98.2MB in the beginning and 248.2MB in the end (delta: -150.0MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.49ms. Allocated memory is still 276.8MB. Free memory was 248.2MB in the beginning and 245.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 696.84ms. Allocated memory is still 276.8MB. Free memory was 245.6MB in the beginning and 192.6MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 816740.22ms. Allocated memory was 276.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 191.1MB in the beginning and 881.0MB in the end (delta: -689.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2643860, independent: 2462980, independent conditional: 2462980, independent unconditional: 0, dependent: 180880, dependent conditional: 180880, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2501214, independent: 2462980, independent conditional: 2462980, independent unconditional: 0, dependent: 38234, dependent conditional: 38234, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2501214, independent: 2462980, independent conditional: 2462980, independent unconditional: 0, dependent: 38234, dependent conditional: 38234, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3380267, independent: 2462980, independent conditional: 0, independent unconditional: 2462980, dependent: 917287, dependent conditional: 879053, dependent unconditional: 38234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3380267, independent: 2462980, independent conditional: 0, independent unconditional: 2462980, dependent: 917287, dependent conditional: 180208, dependent unconditional: 737079, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3380267, independent: 2462980, independent conditional: 0, independent unconditional: 2462980, dependent: 917287, dependent conditional: 180208, dependent unconditional: 737079, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1097, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 674, dependent conditional: 672, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1097, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 674, dependent conditional: 0, dependent unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 674, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 674, dependent conditional: 672, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 674, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 674, dependent conditional: 672, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1809, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1809, dependent conditional: 1773, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3380267, independent: 2462557, independent conditional: 0, independent unconditional: 2462557, dependent: 916613, dependent conditional: 179536, dependent unconditional: 737077, unknown: 1097, unknown conditional: 672, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 1097, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 674, Negative conditional cache size: 672, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 698845, Maximal queried relation: 29, Independence queries for same thread: 142646 - StatisticsResult: Visitor Statistics States: 174, Transitions: 174, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 174, Transitions: 174, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 189, Transitions: 189, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 1490, Transitions: 1709, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1497, Transitions: 1716, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 1505, Transitions: 1724, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1520, Transitions: 1739, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 2084, Transitions: 2310, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 2094, Transitions: 2320, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 2870, Transitions: 3162, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 6885, Transitions: 7733, Traversal time: 1.9s - StatisticsResult: Visitor Statistics States: 10566, Transitions: 11949, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 14798, Transitions: 16363, Traversal time: 8.1s - StatisticsResult: Visitor Statistics States: 20512, Transitions: 22807, Traversal time: 2.9s - StatisticsResult: Visitor Statistics States: 23911, Transitions: 26637, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 39391, Transitions: 42817, Traversal time: 17.7s - StatisticsResult: Visitor Statistics States: 42020, Transitions: 45849, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 49010, Transitions: 53812, Traversal time: 2.5s - StatisticsResult: Visitor Statistics States: 49025, Transitions: 53827, Traversal time: 1.5s - StatisticsResult: Visitor Statistics States: 49048, Transitions: 53850, Traversal time: 10.8s - StatisticsResult: Visitor Statistics States: 57275, Transitions: 63071, Traversal time: 6.1s - StatisticsResult: Visitor Statistics States: 62642, Transitions: 69369, Traversal time: 4.8s - StatisticsResult: Visitor Statistics States: 62657, Transitions: 69384, Traversal time: 2.7s - StatisticsResult: Visitor Statistics States: 78766, Transitions: 86039, Traversal time: 45.6s - StatisticsResult: Visitor Statistics States: 102128, Transitions: 112920, Traversal time: 24.5s - StatisticsResult: Visitor Statistics States: 102907, Transitions: 113783, Traversal time: 21.4s - StatisticsResult: Visitor Statistics States: 112496, Transitions: 124707, Traversal time: 6.5s - StatisticsResult: Visitor Statistics States: 136885, Transitions: 151361, Traversal time: 36.6s - StatisticsResult: Visitor Statistics States: 138355, Transitions: 153041, Traversal time: 269.8s - StatisticsResult: Visitor Statistics States: 84470, Transitions: 93621, Traversal time: 50.9s - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 243 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 816.6s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 521.4s, 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: 2811, 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: 0.8s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 282.6s InterpolantComputationTime, 13239 NumberOfCodeBlocks, 13050 NumberOfCodeBlocksAsserted, 123 NumberOfCheckSat, 19361 ConstructedInterpolants, 220 QuantifiedInterpolants, 209540 SizeOfPredicates, 811 NumberOfNonLiveVariables, 13993 ConjunctsInSsa, 1630 ConjunctsInUnsatCore, 77 InterpolantComputations, 5 PerfectInterpolantSequences, 11334/21985 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