/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 04:47:25,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 04:47:25,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 04:47:25,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 04:47:25,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 04:47:25,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 04:47:25,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 04:47:25,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 04:47:25,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 04:47:25,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 04:47:25,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 04:47:25,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 04:47:25,809 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 04:47:25,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 04:47:25,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 04:47:25,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 04:47:25,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 04:47:25,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 04:47:25,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 04:47:25,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 04:47:25,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 04:47:25,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 04:47:25,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 04:47:25,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 04:47:25,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 04:47:25,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 04:47:25,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 04:47:25,822 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 04:47:25,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 04:47:25,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 04:47:25,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 04:47:25,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 04:47:25,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 04:47:25,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 04:47:25,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 04:47:25,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 04:47:25,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 04:47:25,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 04:47:25,825 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 04:47:25,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 04:47:26,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 04:47:26,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 04:47:26,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 04:47:26,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 04:47:26,073 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 04:47:26,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c [2024-01-26 04:47:27,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 04:47:27,438 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 04:47:27,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c [2024-01-26 04:47:27,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/651e7399e/02c4dde15f1b4089a4ce10a59f22bd96/FLAGcb5fc81c1 [2024-01-26 04:47:27,466 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/651e7399e/02c4dde15f1b4089a4ce10a59f22bd96 [2024-01-26 04:47:27,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 04:47:27,469 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 04:47:27,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 04:47:27,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 04:47:27,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 04:47:27,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7bf2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27, skipping insertion in model container [2024-01-26 04:47:27,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 04:47:27,660 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c[6489,6502] [2024-01-26 04:47:27,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 04:47:27,675 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 04:47:27,708 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c[6489,6502] [2024-01-26 04:47:27,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 04:47:27,738 INFO L206 MainTranslator]: Completed translation [2024-01-26 04:47:27,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27 WrapperNode [2024-01-26 04:47:27,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 04:47:27,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 04:47:27,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 04:47:27,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 04:47:27,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,797 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 606 [2024-01-26 04:47:27,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 04:47:27,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 04:47:27,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 04:47:27,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 04:47:27,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 04:47:27,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 04:47:27,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 04:47:27,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 04:47:27,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (1/1) ... [2024-01-26 04:47:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 04:47:27,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:47:27,876 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) [2024-01-26 04:47:27,922 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 [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 04:47:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 04:47:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 04:47:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 04:47:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 04:47:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 04:47:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 04:47:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 04:47:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 04:47:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 04:47:27,940 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 04:47:28,048 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 04:47:28,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 04:47:28,798 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 04:47:28,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 04:47:28,827 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 04:47:28,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 04:47:28 BoogieIcfgContainer [2024-01-26 04:47:28,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 04:47:28,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 04:47:28,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 04:47:28,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 04:47:28,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 04:47:27" (1/3) ... [2024-01-26 04:47:28,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70878ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 04:47:28, skipping insertion in model container [2024-01-26 04:47:28,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:47:27" (2/3) ... [2024-01-26 04:47:28,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70878ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 04:47:28, skipping insertion in model container [2024-01-26 04:47:28,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 04:47:28" (3/3) ... [2024-01-26 04:47:28,839 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2024-01-26 04:47:28,846 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 04:47:28,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 04:47:28,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 04:47:28,857 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 04:47:29,033 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 04:47:29,084 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 04:47:29,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 04:47:29,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:47:29,096 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) [2024-01-26 04:47:29,108 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 [2024-01-26 04:47:29,128 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 04:47:29,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 04:47:29,139 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;@7a8190df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 04:47:29,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 04:47:29,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:29,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:29,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1835011801, now seen corresponding path program 1 times [2024-01-26 04:47:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:29,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045171874] [2024-01-26 04:47:29,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:29,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:47:29,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:29,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045171874] [2024-01-26 04:47:29,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045171874] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:47:29,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:47:29,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 04:47:29,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260194651] [2024-01-26 04:47:29,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:47:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 04:47:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:29,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 04:47:29,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 04:47:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:29,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:29,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 192.5) internal successors, (385), 2 states have internal predecessors, (385), 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) [2024-01-26 04:47:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:34,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 04:47:34,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:34,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:34,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2101588283, now seen corresponding path program 1 times [2024-01-26 04:47:34,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:34,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694004562] [2024-01-26 04:47:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:34,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:47:34,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:34,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694004562] [2024-01-26 04:47:34,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694004562] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:47:34,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:47:34,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 04:47:34,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126594706] [2024-01-26 04:47:34,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:47:34,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 04:47:34,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:34,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 04:47:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-26 04:47:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:34,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:34,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 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) [2024-01-26 04:47:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:34,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:37,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 04:47:37,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:37,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:37,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1589163769, now seen corresponding path program 1 times [2024-01-26 04:47:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212606487] [2024-01-26 04:47:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 04:47:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212606487] [2024-01-26 04:47:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212606487] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:47:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829764550] [2024-01-26 04:47:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:37,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:47:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:47:37,731 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) [2024-01-26 04:47:37,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 04:47:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:37,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-26 04:47:38,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:47:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 04:47:38,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:47:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 04:47:38,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829764550] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:47:38,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:47:38,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-01-26 04:47:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530141665] [2024-01-26 04:47:38,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:47:38,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-01-26 04:47:38,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-01-26 04:47:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-01-26 04:47:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:38,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:38,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 28.266666666666666) internal successors, (424), 15 states have internal predecessors, (424), 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) [2024-01-26 04:47:38,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:38,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:38,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:40,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 04:47:41,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-01-26 04:47:41,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:41,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:41,022 INFO L85 PathProgramCache]: Analyzing trace with hash 104870471, now seen corresponding path program 2 times [2024-01-26 04:47:41,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:41,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460262790] [2024-01-26 04:47:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-01-26 04:47:41,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:41,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460262790] [2024-01-26 04:47:41,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460262790] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:47:41,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507078942] [2024-01-26 04:47:41,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 04:47:41,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:47:41,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:47:41,577 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) [2024-01-26 04:47:41,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 04:47:41,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-01-26 04:47:41,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 04:47:41,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 7 conjunts are in the unsatisfiable core [2024-01-26 04:47:41,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:47:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-01-26 04:47:41,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 04:47:41,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507078942] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:47:41,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 04:47:41,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-01-26 04:47:41,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198177974] [2024-01-26 04:47:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:47:41,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 04:47:41,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 04:47:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-01-26 04:47:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:41,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:41,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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) [2024-01-26 04:47:41,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:41,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:41,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:41,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:47:43,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 04:47:43,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:47:43,471 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:43,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1560851294, now seen corresponding path program 1 times [2024-01-26 04:47:43,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:43,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544694131] [2024-01-26 04:47:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-01-26 04:47:43,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:43,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544694131] [2024-01-26 04:47:43,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544694131] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:47:43,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935884035] [2024-01-26 04:47:43,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:43,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:47:43,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:47:43,911 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) [2024-01-26 04:47:43,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 04:47:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:44,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 04:47:44,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:47:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-01-26 04:47:44,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:47:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-01-26 04:47:44,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935884035] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:47:44,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:47:44,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-01-26 04:47:44,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956741282] [2024-01-26 04:47:44,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:47:44,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-01-26 04:47:44,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:44,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-01-26 04:47:44,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-01-26 04:47:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:44,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:44,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.545454545454547) internal successors, (430), 22 states have internal predecessors, (430), 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) [2024-01-26 04:47:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:47:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:47:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:47:46,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 04:47:46,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:47:46,226 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:46,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:46,226 INFO L85 PathProgramCache]: Analyzing trace with hash -233898850, now seen corresponding path program 2 times [2024-01-26 04:47:46,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:46,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613395584] [2024-01-26 04:47:46,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:47:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-01-26 04:47:46,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:47:46,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613395584] [2024-01-26 04:47:46,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613395584] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:47:46,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:47:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 04:47:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041733395] [2024-01-26 04:47:46,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:47:46,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 04:47:46,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:47:46,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 04:47:46,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 04:47:46,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:46,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:47:46,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2024-01-26 04:47:46,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:46,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:46,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:46,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:47:46,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:47:46,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:59,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:47:59,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:47:59,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:47:59,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:47:59,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:47:59,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:47:59,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 04:47:59,533 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:47:59,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:47:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash -816208770, now seen corresponding path program 1 times [2024-01-26 04:47:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:47:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492932624] [2024-01-26 04:47:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:47:59,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:47:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:48:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-01-26 04:48:01,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:48:01,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492932624] [2024-01-26 04:48:01,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492932624] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:48:01,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:48:01,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-01-26 04:48:01,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731067641] [2024-01-26 04:48:01,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:48:01,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-01-26 04:48:01,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:48:01,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-01-26 04:48:01,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-01-26 04:48:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:01,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:48:01,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 40.45454545454545) internal successors, (445), 11 states have internal predecessors, (445), 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) [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 04:48:08,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:48:08,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:48:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -702363980, now seen corresponding path program 1 times [2024-01-26 04:48:08,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:48:08,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335355285] [2024-01-26 04:48:08,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:48:08,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:48:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:48:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-01-26 04:48:08,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:48:08,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335355285] [2024-01-26 04:48:08,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335355285] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:48:08,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:48:08,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 04:48:08,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797793656] [2024-01-26 04:48:08,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:48:08,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 04:48:08,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:48:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 04:48:08,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-26 04:48:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:08,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:48:08,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 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) [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:08,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:08,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:16,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-26 04:48:16,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:48:16,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:48:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash -996709899, now seen corresponding path program 1 times [2024-01-26 04:48:16,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:48:16,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877781372] [2024-01-26 04:48:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:48:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:48:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:48:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-01-26 04:48:16,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:48:16,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877781372] [2024-01-26 04:48:16,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877781372] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:48:16,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:48:16,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 04:48:16,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306638625] [2024-01-26 04:48:16,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:48:16,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 04:48:16,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:48:16,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 04:48:16,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-01-26 04:48:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:16,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:48:16,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.714285714285715) internal successors, (418), 7 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:16,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:27,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-26 04:48:27,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:48:27,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:48:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1469235266, now seen corresponding path program 1 times [2024-01-26 04:48:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:48:27,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191594422] [2024-01-26 04:48:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:48:27,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:48:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:48:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-01-26 04:48:27,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:48:27,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191594422] [2024-01-26 04:48:27,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191594422] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:48:27,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:48:27,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 04:48:27,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382803580] [2024-01-26 04:48:27,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:48:27,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 04:48:27,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:48:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 04:48:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 04:48:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:27,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:48:27,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 04:48:27,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:27,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:38,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:38,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-26 04:48:38,382 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:48:38,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:48:38,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1664411102, now seen corresponding path program 1 times [2024-01-26 04:48:38,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:48:38,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244440020] [2024-01-26 04:48:38,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:48:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:48:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:48:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-01-26 04:48:39,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:48:39,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244440020] [2024-01-26 04:48:39,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244440020] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:48:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:48:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-01-26 04:48:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453482546] [2024-01-26 04:48:39,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:48:39,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-01-26 04:48:39,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:48:39,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-01-26 04:48:39,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-01-26 04:48:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:39,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:48:39,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 43.27272727272727) internal successors, (476), 11 states have internal predecessors, (476), 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) [2024-01-26 04:48:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:48:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:48:39,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:48:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:49:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:04,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:49:04,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-26 04:49:04,815 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:49:04,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:49:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash -627184920, now seen corresponding path program 1 times [2024-01-26 04:49:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:49:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966384988] [2024-01-26 04:49:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:49:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:49:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:49:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-01-26 04:49:05,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:49:05,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966384988] [2024-01-26 04:49:05,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966384988] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:49:05,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:49:05,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 04:49:05,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585355148] [2024-01-26 04:49:05,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:49:05,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 04:49:05,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:49:05,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 04:49:05,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-26 04:49:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:05,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:49:05,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 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) [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:49:05,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:49:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:49:41,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-26 04:49:41,194 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:49:41,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:49:41,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1363980601, now seen corresponding path program 1 times [2024-01-26 04:49:41,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:49:41,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091400297] [2024-01-26 04:49:41,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:49:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:49:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:49:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-01-26 04:49:41,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:49:41,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091400297] [2024-01-26 04:49:41,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091400297] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:49:41,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:49:41,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-26 04:49:41,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129109741] [2024-01-26 04:49:41,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:49:41,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 04:49:41,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:49:41,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 04:49:41,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-01-26 04:49:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:41,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:49:41,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 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) [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:49:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:49:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:49:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:49:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:50:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:50:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:50:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:42,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-26 04:50:42,862 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:50:42,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:50:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1029671330, now seen corresponding path program 1 times [2024-01-26 04:50:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:50:42,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465730869] [2024-01-26 04:50:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:50:42,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:50:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:50:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-01-26 04:50:43,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:50:43,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465730869] [2024-01-26 04:50:43,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465730869] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:50:43,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:50:43,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 04:50:43,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478146773] [2024-01-26 04:50:43,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:50:43,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 04:50:43,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:50:43,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 04:50:43,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 04:50:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:50:43,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:50:43,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-01-26 04:50:43,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:50:43,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:50:43,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:50:43,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:50:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:51:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:51:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:51:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:51:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:45,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-01-26 04:51:45,119 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:51:45,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:51:45,120 INFO L85 PathProgramCache]: Analyzing trace with hash -119233474, now seen corresponding path program 1 times [2024-01-26 04:51:45,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:51:45,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820132465] [2024-01-26 04:51:45,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:51:45,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:51:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:51:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-01-26 04:51:47,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:51:47,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820132465] [2024-01-26 04:51:47,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820132465] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:51:47,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:51:47,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-01-26 04:51:47,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962976459] [2024-01-26 04:51:47,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:51:47,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-01-26 04:51:47,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:51:47,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-01-26 04:51:47,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-01-26 04:51:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:51:47,180 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:51:47,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 46.09090909090909) internal successors, (507), 11 states have internal predecessors, (507), 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) [2024-01-26 04:51:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 04:51:47,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.