/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/pthread/fib_safe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 17:24:41,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 17:24:41,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 17:24:41,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 17:24:41,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 17:24:41,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 17:24:41,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 17:24:41,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 17:24:41,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 17:24:41,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 17:24:41,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 17:24:41,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 17:24:41,308 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 17:24:41,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 17:24:41,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 17:24:41,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 17:24:41,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 17:24:41,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 17:24:41,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 17:24:41,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 17:24:41,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 17:24:41,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 17:24:41,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 17:24:41,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 17:24:41,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 17:24:41,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 17:24:41,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 17:24:41,316 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 17:24:41,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 17:24:41,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:24:41,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 17:24:41,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 17:24:41,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 17:24:41,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 17:24:41,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 17:24:41,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 17:24:41,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 17:24:41,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 17:24:41,629 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 17:24:41,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-5.i [2024-05-30 17:24:42,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 17:24:43,007 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 17:24:43,007 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i [2024-05-30 17:24:43,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/358e0da1f/6da37fa4c09a4304b2ddd5e918a84bb1/FLAGe313de2cd [2024-05-30 17:24:43,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/358e0da1f/6da37fa4c09a4304b2ddd5e918a84bb1 [2024-05-30 17:24:43,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 17:24:43,035 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 17:24:43,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 17:24:43,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 17:24:43,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 17:24:43,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4215f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43, skipping insertion in model container [2024-05-30 17:24:43,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 17:24:43,361 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-05-30 17:24:43,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:24:43,397 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 17:24:43,445 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-05-30 17:24:43,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:24:43,493 INFO L206 MainTranslator]: Completed translation [2024-05-30 17:24:43,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43 WrapperNode [2024-05-30 17:24:43,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 17:24:43,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 17:24:43,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 17:24:43,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 17:24:43,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,544 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-30 17:24:43,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 17:24:43,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 17:24:43,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 17:24:43,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 17:24:43,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 17:24:43,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 17:24:43,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 17:24:43,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 17:24:43,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (1/1) ... [2024-05-30 17:24:43,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:24:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:43,647 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 17:24:43,658 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 17:24:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-30 17:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-30 17:24:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-30 17:24:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-30 17:24:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 17:24:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 17:24:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 17:24:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 17:24:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 17:24:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 17:24:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 17:24:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 17:24:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 17:24:43,707 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 17:24:43,812 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 17:24:43,814 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 17:24:43,972 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 17:24:43,981 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 17:24:43,981 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 17:24:43,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:24:43 BoogieIcfgContainer [2024-05-30 17:24:43,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 17:24:43,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 17:24:43,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 17:24:43,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 17:24:43,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 05:24:43" (1/3) ... [2024-05-30 17:24:43,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a2e97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:24:43, skipping insertion in model container [2024-05-30 17:24:43,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:24:43" (2/3) ... [2024-05-30 17:24:43,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a2e97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:24:43, skipping insertion in model container [2024-05-30 17:24:43,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:24:43" (3/3) ... [2024-05-30 17:24:43,990 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2024-05-30 17:24:43,999 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 17:24:44,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 17:24:44,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 17:24:44,010 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 17:24:44,091 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 17:24:44,151 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:24:44,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:24:44,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:44,154 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 17:24:44,179 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 17:24:44,204 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:24:44,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:24:44,218 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;@28bde66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:24:44,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:24:44,466 INFO L78 Accepts]: Start accepts. Automaton has currently 694 states, but on-demand construction may add more states Word has length 50 [2024-05-30 17:24:44,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:24:44,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:24:44,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:24:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash 721324376, now seen corresponding path program 1 times [2024-05-30 17:24:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:24:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754317441] [2024-05-30 17:24:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:24:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:44,863 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 17:24:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:24:44,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754317441] [2024-05-30 17:24:44,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754317441] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:24:44,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:24:44,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:24:44,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599576589] [2024-05-30 17:24:44,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:24:44,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:24:44,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:24:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:24:44,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:24:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:44,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:24:44,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:24:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:44,977 INFO L78 Accepts]: Start accepts. Automaton has currently 614 states, but on-demand construction may add more states Word has length 57 [2024-05-30 17:24:44,978 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:24:44,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 17:24:44,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:24:44,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:24:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times [2024-05-30 17:24:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:24:44,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862171656] [2024-05-30 17:24:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:24:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:45,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:24:45,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862171656] [2024-05-30 17:24:45,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862171656] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:24:45,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844257169] [2024-05-30 17:24:45,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:45,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:45,194 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 17:24:45,214 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 17:24:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:45,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-30 17:24:45,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:24:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:45,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:24:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:45,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844257169] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:24:45,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:24:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-30 17:24:45,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536308234] [2024-05-30 17:24:45,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:24:45,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-30 17:24:45,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:24:45,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-30 17:24:45,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-30 17:24:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:45,465 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:24:45,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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 17:24:45,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:45,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:45,543 INFO L78 Accepts]: Start accepts. Automaton has currently 156 states, but on-demand construction may add more states Word has length 71 [2024-05-30 17:24:45,544 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:24:45,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 17:24:45,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-30 17:24:45,750 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:24:45,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:24:45,750 INFO L85 PathProgramCache]: Analyzing trace with hash 587621151, now seen corresponding path program 2 times [2024-05-30 17:24:45,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:24:45,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16343377] [2024-05-30 17:24:45,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:45,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:24:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:45,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:24:45,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16343377] [2024-05-30 17:24:45,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16343377] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:24:45,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597776778] [2024-05-30 17:24:45,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:24:45,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:45,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:45,983 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 17:24:46,004 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 17:24:46,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:24:46,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:24:46,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-30 17:24:46,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:24:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:46,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:24:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597776778] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:24:46,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:24:46,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-30 17:24:46,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639517171] [2024-05-30 17:24:46,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:24:46,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-30 17:24:46,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:24:46,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-30 17:24:46,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-30 17:24:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:46,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:24:46,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 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 17:24:46,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:46,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:46,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:24:46,492 INFO L78 Accepts]: Start accepts. Automaton has currently 240 states, but on-demand construction may add more states Word has length 99 [2024-05-30 17:24:46,493 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:24:46,503 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 17:24:46,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:46,696 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:24:46,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:24:46,697 INFO L85 PathProgramCache]: Analyzing trace with hash -838301985, now seen corresponding path program 3 times [2024-05-30 17:24:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:24:46,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333811058] [2024-05-30 17:24:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:24:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:47,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:24:47,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333811058] [2024-05-30 17:24:47,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333811058] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:24:47,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127793314] [2024-05-30 17:24:47,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:24:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:47,058 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 17:24:47,078 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 17:24:47,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-30 17:24:47,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:24:47,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 17:24:47,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:24:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:47,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:24:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:47,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127793314] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:24:47,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:24:47,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2024-05-30 17:24:47,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376572204] [2024-05-30 17:24:47,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:24:47,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-30 17:24:47,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:24:47,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-30 17:24:47,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2024-05-30 17:24:47,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:47,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:24:47,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.037037037037037) internal successors, (136), 27 states have internal predecessors, (136), 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 17:24:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:24:47,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:24:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:24:47,860 INFO L78 Accepts]: Start accepts. Automaton has currently 345 states, but on-demand construction may add more states Word has length 134 [2024-05-30 17:24:47,861 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:24:47,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 17:24:48,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:48,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:24:48,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:24:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2069165592, now seen corresponding path program 4 times [2024-05-30 17:24:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:24:48,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952766511] [2024-05-30 17:24:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:24:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:24:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:24:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:50,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:24:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952766511] [2024-05-30 17:24:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952766511] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:24:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606392245] [2024-05-30 17:24:50,119 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:24:50,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:24:50,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:24:50,125 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 17:24:50,146 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 17:24:50,230 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:24:50,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:24:50,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 45 conjunts are in the unsatisfiable core [2024-05-30 17:24:50,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:24:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:53,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:24:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:24:56,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606392245] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:24:56,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:24:56,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 127 [2024-05-30 17:24:56,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713962356] [2024-05-30 17:24:56,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:24:56,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-05-30 17:24:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:24:56,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-05-30 17:24:56,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=981, Invalid=15021, Unknown=0, NotChecked=0, Total=16002 [2024-05-30 17:24:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:24:56,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:24:56,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 2.952755905511811) internal successors, (375), 127 states have internal predecessors, (375), 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 17:24:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:24:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:24:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:24:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:24:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:25:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:25:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:25:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:25:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:25:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:25:36,890 INFO L78 Accepts]: Start accepts. Automaton has currently 14867 states, but on-demand construction may add more states Word has length 143 [2024-05-30 17:25:36,891 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:25:36,904 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 17:25:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:25:37,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:25:37,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:25:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1279350463, now seen corresponding path program 1 times [2024-05-30 17:25:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:25:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748441614] [2024-05-30 17:25:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:25:37,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:25:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:25:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:25:39,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:25:39,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748441614] [2024-05-30 17:25:39,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748441614] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:25:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991951216] [2024-05-30 17:25:39,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:25:39,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:25:39,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:25:39,013 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 17:25:39,014 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 17:25:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:25:39,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-30 17:25:39,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:25:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 335 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:25:41,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:25:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:25:45,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991951216] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:25:45,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:25:45,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 136 [2024-05-30 17:25:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305654540] [2024-05-30 17:25:45,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:25:45,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-05-30 17:25:45,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:25:45,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-05-30 17:25:45,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=17368, Unknown=0, NotChecked=0, Total=18360 [2024-05-30 17:25:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:25:45,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:25:45,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.985294117647059) internal successors, (406), 136 states have internal predecessors, (406), 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 17:25:45,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:25:45,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:25:45,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:25:45,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:25:45,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:25:45,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:26:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:26:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:26:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:26:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:26:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:26:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:26:30,326 INFO L78 Accepts]: Start accepts. Automaton has currently 28351 states, but on-demand construction may add more states Word has length 163 [2024-05-30 17:26:30,326 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:26:30,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-30 17:26:30,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:26:30,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:26:30,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:26:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 651066113, now seen corresponding path program 2 times [2024-05-30 17:26:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:26:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626159292] [2024-05-30 17:26:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:26:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:26:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:26:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 43 proven. 17 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-05-30 17:26:30,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:26:30,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626159292] [2024-05-30 17:26:30,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626159292] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:26:30,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644044095] [2024-05-30 17:26:30,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:26:30,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:26:30,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:26:30,771 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 17:26:30,773 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 17:26:30,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:26:30,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:26:30,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 17:26:30,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:26:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-05-30 17:26:30,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:26:30,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644044095] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:26:30,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:26:30,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-05-30 17:26:30,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955895299] [2024-05-30 17:26:30,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:26:30,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 17:26:30,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:26:30,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 17:26:30,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-30 17:26:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:26:30,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:26:30,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:26:30,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:26:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:26:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:26:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:26:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:26:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:26:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:26:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:26:31,653 INFO L78 Accepts]: Start accepts. Automaton has currently 39613 states, but on-demand construction may add more states Word has length 168 [2024-05-30 17:26:31,654 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:26:31,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 17:26:31,854 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,SelfDestructingSolverStorable6 [2024-05-30 17:26:31,854 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:26:31,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:26:31,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1988183357, now seen corresponding path program 1 times [2024-05-30 17:26:31,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:26:31,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032359486] [2024-05-30 17:26:31,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:26:31,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:26:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:26:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:26:33,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:26:33,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032359486] [2024-05-30 17:26:33,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032359486] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:26:33,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134522309] [2024-05-30 17:26:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:26:33,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:26:33,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:26:33,886 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 17:26:33,887 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 17:26:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:26:33,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-30 17:26:33,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:26:37,057 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 335 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:26:37,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:26:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:26:40,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134522309] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:26:40,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:26:40,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2024-05-30 17:26:40,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050763790] [2024-05-30 17:26:40,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:26:40,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-05-30 17:26:40,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:26:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-05-30 17:26:40,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=19827, Unknown=0, NotChecked=0, Total=20880 [2024-05-30 17:26:40,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:26:40,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:26:40,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.296551724137931) internal successors, (478), 145 states have internal predecessors, (478), 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 17:26:40,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:26:40,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:26:40,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:26:40,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:26:40,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:26:40,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:26:40,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:26:40,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:27:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:27:13,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-30 17:27:13,944 INFO L78 Accepts]: Start accepts. Automaton has currently 54671 states, but on-demand construction may add more states Word has length 183 [2024-05-30 17:27:13,945 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:27:13,952 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 17:27:14,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:27:14,148 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:27:14,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:27:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash 153669771, now seen corresponding path program 1 times [2024-05-30 17:27:14,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:27:14,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684277860] [2024-05-30 17:27:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:27:14,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:27:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:27:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:27:16,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:27:16,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684277860] [2024-05-30 17:27:16,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684277860] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:27:16,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800737292] [2024-05-30 17:27:16,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:27:16,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:27:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:27:16,397 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 17:27:16,409 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 17:27:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:27:16,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-30 17:27:16,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:27:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 335 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:27:19,876 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:27:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:27:24,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800737292] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:27:24,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:27:24,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 154 [2024-05-30 17:27:24,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952010504] [2024-05-30 17:27:24,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:27:24,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2024-05-30 17:27:24,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:27:24,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2024-05-30 17:27:24,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1097, Invalid=22465, Unknown=0, NotChecked=0, Total=23562 [2024-05-30 17:27:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:27:24,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:27:24,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 3.396103896103896) internal successors, (523), 154 states have internal predecessors, (523), 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 17:27:24,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-30 17:27:24,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-30 17:28:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-05-30 17:28:15,115 INFO L78 Accepts]: Start accepts. Automaton has currently 90067 states, but on-demand construction may add more states Word has length 213 [2024-05-30 17:28:15,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:28:15,123 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 17:28:15,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:28:15,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:28:15,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:28:15,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1503317579, now seen corresponding path program 2 times [2024-05-30 17:28:15,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:28:15,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612024129] [2024-05-30 17:28:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:28:15,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:28:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:28:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 165 proven. 33 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-05-30 17:28:15,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:28:15,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612024129] [2024-05-30 17:28:15,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612024129] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:28:15,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363979618] [2024-05-30 17:28:15,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:28:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:28:15,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:28:15,841 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 17:28:15,844 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 17:28:15,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:28:15,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:28:15,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 17:28:15,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:28:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-05-30 17:28:16,022 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:28:16,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363979618] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:28:16,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:28:16,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [21] total 23 [2024-05-30 17:28:16,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557295804] [2024-05-30 17:28:16,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:28:16,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 17:28:16,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:28:16,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 17:28:16,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-05-30 17:28:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:28:16,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:28:16,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 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 17:28:16,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:28:16,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-05-30 17:28:16,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:28:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:28:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:28:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-30 17:28:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:28:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:20,396 INFO L78 Accepts]: Start accepts. Automaton has currently 68549 states, but on-demand construction may add more states Word has length 178 [2024-05-30 17:28:20,398 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:28:20,405 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 17:28:20,600 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,SelfDestructingSolverStorable9 [2024-05-30 17:28:20,600 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:28:20,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:28:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1106753883, now seen corresponding path program 3 times [2024-05-30 17:28:20,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:28:20,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61766516] [2024-05-30 17:28:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:28:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:28:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:28:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:28:22,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:28:22,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61766516] [2024-05-30 17:28:22,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61766516] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:28:22,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880106593] [2024-05-30 17:28:22,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:28:22,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:28:22,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:28:22,657 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 17:28:22,660 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 17:28:22,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-05-30 17:28:22,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:28:22,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-30 17:28:22,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:28:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 335 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:28:26,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:28:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:28:30,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880106593] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:28:30,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:28:30,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 151 [2024-05-30 17:28:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913379131] [2024-05-30 17:28:30,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:28:30,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-30 17:28:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:28:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-30 17:28:30,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=993, Invalid=21657, Unknown=0, NotChecked=0, Total=22650 [2024-05-30 17:28:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:28:30,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:28:30,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 3.3642384105960264) internal successors, (508), 151 states have internal predecessors, (508), 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 17:28:30,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:28:30,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:28:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:29:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:29:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-05-30 17:29:20,180 INFO L78 Accepts]: Start accepts. Automaton has currently 90468 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:29:20,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:29:20,189 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 17:29:20,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:29:20,383 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:29:20,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:29:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1718194415, now seen corresponding path program 4 times [2024-05-30 17:29:20,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:29:20,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372330957] [2024-05-30 17:29:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:29:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:29:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:29:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:29:22,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:29:22,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372330957] [2024-05-30 17:29:22,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372330957] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:29:22,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139252525] [2024-05-30 17:29:22,513 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:29:22,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:29:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:29:22,514 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 17:29:22,516 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 17:29:22,625 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:29:22,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:29:22,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:29:22,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:29:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:29:26,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:29:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:29:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139252525] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:29:30,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:29:30,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:29:30,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364954815] [2024-05-30 17:29:30,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:29:30,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:29:30,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:29:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:29:30,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=976, Invalid=23516, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:29:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:29:30,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:29:30,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-05-30 17:29:30,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:30:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2024-05-30 17:30:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-05-30 17:30:26,701 INFO L78 Accepts]: Start accepts. Automaton has currently 108272 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:30:26,702 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:30:26,707 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 17:30:26,902 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,SelfDestructingSolverStorable11 [2024-05-30 17:30:26,903 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:30:26,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:30:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash -70539945, now seen corresponding path program 5 times [2024-05-30 17:30:26,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:30:26,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220080942] [2024-05-30 17:30:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:30:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:30:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:30:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:30:29,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:30:29,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220080942] [2024-05-30 17:30:29,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220080942] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:30:29,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125126633] [2024-05-30 17:30:29,186 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 17:30:29,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:30:29,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:30:29,188 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 17:30:29,188 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 17:30:29,297 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-05-30 17:30:29,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:30:29,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:30:29,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:30:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:30:32,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:30:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:30:37,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125126633] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:30:37,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:30:37,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:30:37,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758191785] [2024-05-30 17:30:37,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:30:37,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:30:37,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:30:37,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:30:37,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=23439, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:30:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:30:37,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:30:37,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-05-30 17:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:31:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:31:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-05-30 17:31:56,987 INFO L78 Accepts]: Start accepts. Automaton has currently 124901 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:31:56,989 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:31:56,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-30 17:31:57,192 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,SelfDestructingSolverStorable12 [2024-05-30 17:31:57,192 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:31:57,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:31:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1618135005, now seen corresponding path program 6 times [2024-05-30 17:31:57,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:31:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137210915] [2024-05-30 17:31:57,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:31:57,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:31:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:31:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:31:59,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:31:59,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137210915] [2024-05-30 17:31:59,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137210915] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:31:59,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119763949] [2024-05-30 17:31:59,350 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 17:31:59,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:31:59,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:31:59,351 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 17:31:59,353 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 17:31:59,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-05-30 17:31:59,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:31:59,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-30 17:31:59,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:32:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:32:02,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:32:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:32:07,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119763949] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:32:07,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:32:07,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 159 [2024-05-30 17:32:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781173290] [2024-05-30 17:32:07,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:32:07,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-05-30 17:32:07,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:32:07,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-05-30 17:32:07,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=977, Invalid=24145, Unknown=0, NotChecked=0, Total=25122 [2024-05-30 17:32:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:32:07,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:32:07,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 3.40251572327044) internal successors, (541), 159 states have internal predecessors, (541), 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 17:32:07,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-05-30 17:32:07,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:33:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:33:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:33:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:33:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-05-30 17:33:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2024-05-30 17:33:10,528 INFO L78 Accepts]: Start accepts. Automaton has currently 137150 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:33:10,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:33:10,540 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 17:33:10,736 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,SelfDestructingSolverStorable13 [2024-05-30 17:33:10,737 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:33:10,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:33:10,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1416537241, now seen corresponding path program 7 times [2024-05-30 17:33:10,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:33:10,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395070284] [2024-05-30 17:33:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:33:10,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:33:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:33:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:33:12,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:33:12,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395070284] [2024-05-30 17:33:12,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395070284] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:33:12,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365722465] [2024-05-30 17:33:12,982 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 17:33:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:33:12,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:33:12,984 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 17:33:12,986 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 17:33:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:33:13,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:33:13,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:33:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:33:16,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:33:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:33:21,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365722465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:33:21,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:33:21,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:33:21,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123913856] [2024-05-30 17:33:21,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:33:21,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:33:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:33:21,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:33:21,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=961, Invalid=23531, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:33:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:33:21,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:33:21,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:33:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:33:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2024-05-30 17:33:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:34:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:34:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-05-30 17:34:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-05-30 17:34:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-05-30 17:34:14,668 INFO L78 Accepts]: Start accepts. Automaton has currently 147724 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:34:14,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:34:14,676 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 17:34:14,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:34:14,871 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:34:14,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:34:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1990606819, now seen corresponding path program 8 times [2024-05-30 17:34:14,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:34:14,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289041766] [2024-05-30 17:34:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:34:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:34:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:34:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:34:17,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:34:17,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289041766] [2024-05-30 17:34:17,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289041766] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:34:17,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929063637] [2024-05-30 17:34:17,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:34:17,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:34:17,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:34:17,130 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 17:34:17,131 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 17:34:17,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:34:17,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:34:17,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:34:17,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:34:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:34:20,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:34:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:34:25,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929063637] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:34:25,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:34:25,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:34:25,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492872566] [2024-05-30 17:34:25,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:34:25,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:34:25,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:34:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:34:25,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=971, Invalid=23521, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:34:25,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:34:25,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:34:25,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-05-30 17:34:25,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-05-30 17:34:25,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:35:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-30 17:35:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2024-05-30 17:35:48,697 INFO L78 Accepts]: Start accepts. Automaton has currently 161248 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:35:48,699 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:35:48,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-30 17:35:48,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-30 17:35:48,905 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:35:48,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:35:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1539457987, now seen corresponding path program 9 times [2024-05-30 17:35:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:35:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477696824] [2024-05-30 17:35:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:35:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:35:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:35:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:35:51,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:35:51,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477696824] [2024-05-30 17:35:51,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477696824] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:35:51,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454348566] [2024-05-30 17:35:51,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:35:51,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:35:51,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:35:51,367 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 17:35:51,368 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 17:35:51,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-05-30 17:35:51,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:35:51,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:35:51,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:35:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:35:54,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:35:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:35:59,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454348566] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:35:59,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:35:59,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:35:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125492272] [2024-05-30 17:35:59,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:35:59,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:35:59,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:35:59,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:35:59,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=23526, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:35:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:35:59,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:35:59,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-30 17:35:59,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 383 states. [2024-05-30 17:35:59,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:21,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:21,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:21,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 306 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 361 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2024-05-30 17:37:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-30 17:37:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2024-05-30 17:37:21,476 INFO L78 Accepts]: Start accepts. Automaton has currently 173605 states, but on-demand construction may add more states Word has length 188 [2024-05-30 17:37:21,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:37:21,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-30 17:37:21,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-30 17:37:21,685 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:37:21,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:37:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash 886792471, now seen corresponding path program 10 times [2024-05-30 17:37:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:37:21,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528557638] [2024-05-30 17:37:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:37:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:37:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:37:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:23,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:37:23,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528557638] [2024-05-30 17:37:23,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528557638] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:37:23,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239067707] [2024-05-30 17:37:23,951 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:37:23,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:37:23,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:37:23,952 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 17:37:23,953 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 17:37:24,066 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:37:24,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:37:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-30 17:37:24,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:37:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:27,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:37:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:37:31,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239067707] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:37:31,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:37:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2024-05-30 17:37:31,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724214661] [2024-05-30 17:37:31,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:37:31,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-05-30 17:37:31,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:37:31,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-05-30 17:37:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=23530, Unknown=0, NotChecked=0, Total=24492 [2024-05-30 17:37:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:37:31,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:37:31,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.426751592356688) internal successors, (538), 157 states have internal predecessors, (538), 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 17:37:31,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:37:31,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 306 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 361 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-30 17:37:31,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2024-05-30 17:37:31,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-30 17:37:36,734 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:37:36,735 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 17:37:36,735 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 17:37:36,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-30 17:37:36,960 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,SelfDestructingSolverStorable17 [2024-05-30 17:37:36,960 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-39-1 term,while SimplifyDDA2 was simplifying 33 xjuncts wrt. a ATOM-1 context. [2024-05-30 17:37:36,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:37:36,973 INFO L445 BasicCegarLoop]: Path program histogram: [10, 4, 2, 1, 1] [2024-05-30 17:37:36,974 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 17:37:36,976 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 17:37:36,976 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 17:37:36,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 05:37:36 BasicIcfg [2024-05-30 17:37:36,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 17:37:36,979 INFO L158 Benchmark]: Toolchain (without parser) took 773944.35ms. Allocated memory was 166.7MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 95.2MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-05-30 17:37:36,979 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 166.7MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 17:37:36,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.16ms. Allocated memory was 166.7MB in the beginning and 269.5MB in the end (delta: 102.8MB). Free memory was 95.0MB in the beginning and 229.6MB in the end (delta: -134.7MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2024-05-30 17:37:36,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.08ms. Allocated memory is still 269.5MB. Free memory was 229.6MB in the beginning and 228.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:37:36,980 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 269.5MB. Free memory was 228.1MB in the beginning and 226.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 17:37:36,980 INFO L158 Benchmark]: RCFGBuilder took 404.04ms. Allocated memory is still 269.5MB. Free memory was 226.5MB in the beginning and 211.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-30 17:37:36,980 INFO L158 Benchmark]: TraceAbstraction took 772994.02ms. Allocated memory was 269.5MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 210.8MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-05-30 17:37:36,982 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 166.7MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.16ms. Allocated memory was 166.7MB in the beginning and 269.5MB in the end (delta: 102.8MB). Free memory was 95.0MB in the beginning and 229.6MB in the end (delta: -134.7MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.08ms. Allocated memory is still 269.5MB. Free memory was 229.6MB in the beginning and 228.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 269.5MB. Free memory was 228.1MB in the beginning and 226.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 404.04ms. Allocated memory is still 269.5MB. Free memory was 226.5MB in the beginning and 211.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 772994.02ms. Allocated memory was 269.5MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 210.8MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3152388, independent: 2964914, independent conditional: 2964914, independent unconditional: 0, dependent: 187474, dependent conditional: 187474, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2976931, independent: 2964914, independent conditional: 2964914, independent unconditional: 0, dependent: 12017, dependent conditional: 12017, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2976931, independent: 2964914, independent conditional: 2964914, independent unconditional: 0, dependent: 12017, dependent conditional: 12017, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3127760, independent: 2964914, independent conditional: 4815, independent unconditional: 2960099, dependent: 162846, dependent conditional: 146014, dependent unconditional: 16832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3127760, independent: 2964914, independent conditional: 4815, independent unconditional: 2960099, dependent: 162846, dependent conditional: 56512, dependent unconditional: 106334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3127760, independent: 2964914, independent conditional: 4815, independent unconditional: 2960099, dependent: 162846, dependent conditional: 56512, dependent unconditional: 106334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3463, independent: 957, independent conditional: 546, independent unconditional: 411, dependent: 2506, dependent conditional: 2503, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3463, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 3052, dependent conditional: 0, dependent unconditional: 3052, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3052, independent: 546, independent conditional: 546, independent unconditional: 0, dependent: 2506, dependent conditional: 2503, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3052, independent: 546, independent conditional: 546, independent unconditional: 0, dependent: 2506, dependent conditional: 2503, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5933, independent: 1002, independent conditional: 1002, independent unconditional: 0, dependent: 4931, dependent conditional: 4894, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3127760, independent: 2963957, independent conditional: 4269, independent unconditional: 2959688, dependent: 160340, dependent conditional: 54009, dependent unconditional: 106331, unknown: 3463, unknown conditional: 3049, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 3463, Positive cache size: 957, Positive conditional cache size: 546, Positive unconditional cache size: 411, Negative cache size: 2506, Negative conditional cache size: 2503, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 89502, Maximal queried relation: 17, Independence queries for same thread: 175457 - StatisticsResult: Visitor Statistics States: 687, Transitions: 873, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 588, Transitions: 683, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 72, Transitions: 72, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 100, Transitions: 100, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 135, Transitions: 135, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 15258, Transitions: 16830, Traversal time: 40.0s - StatisticsResult: Visitor Statistics States: 28442, Transitions: 30856, Traversal time: 44.8s - StatisticsResult: Visitor Statistics States: 40029, Transitions: 43223, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 54988, Transitions: 58754, Traversal time: 33.1s - StatisticsResult: Visitor Statistics States: 90330, Transitions: 95396, Traversal time: 51.0s - StatisticsResult: Visitor Statistics States: 68727, Transitions: 72421, Traversal time: 4.4s - StatisticsResult: Visitor Statistics States: 90717, Transitions: 95210, Traversal time: 50.0s - StatisticsResult: Visitor Statistics States: 108440, Transitions: 113626, Traversal time: 56.2s - StatisticsResult: Visitor Statistics States: 125101, Transitions: 130822, Traversal time: 79.9s - StatisticsResult: Visitor Statistics States: 137375, Transitions: 142851, Traversal time: 63.1s - StatisticsResult: Visitor Statistics States: 148012, Transitions: 153190, Traversal time: 53.6s - StatisticsResult: Visitor Statistics States: 161638, Transitions: 166740, Traversal time: 83.5s - StatisticsResult: Visitor Statistics States: 173987, Transitions: 178785, Traversal time: 82.2s - StatisticsResult: Visitor Statistics States: 117, Transitions: 116, Traversal time: 4.9s - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-39-1 term,while SimplifyDDA2 was simplifying 33 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 772.8s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 648.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3425, 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: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 117.9s InterpolantComputationTime, 5500 NumberOfCodeBlocks, 5500 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 7799 ConstructedInterpolants, 0 QuantifiedInterpolants, 96007 SizeOfPredicates, 546 NumberOfNonLiveVariables, 5499 ConjunctsInSsa, 693 ConjunctsInUnsatCore, 50 InterpolantComputations, 3 PerfectInterpolantSequences, 6492/22667 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