./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:54:04,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:54:04,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:54:04,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:54:04,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:54:04,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:54:04,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:54:04,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:54:04,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:54:04,557 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:54:04,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:54:04,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:54:04,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:54:04,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:54:04,561 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:54:04,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:54:04,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:54:04,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:54:04,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:54:04,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:54:04,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:54:04,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:54:04,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:54:04,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:54:04,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:54:04,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:54:04,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:54:04,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:54:04,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:54:04,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:54:04,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:54:04,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:54:04,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:54:04,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:54:04,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:54:04,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:54:04,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:54:04,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:54:04,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:54:04,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:54:04,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:54:04,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:54:04,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a [2024-11-12 07:54:04,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:54:04,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:54:04,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:54:04,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:54:04,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:54:04,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-12 07:54:06,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:54:06,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:54:06,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-12 07:54:06,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51395ab5e/b3de1d6a5075437e8ccea27be9f08b4d/FLAGe76fd1a6f [2024-11-12 07:54:06,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51395ab5e/b3de1d6a5075437e8ccea27be9f08b4d [2024-11-12 07:54:06,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:54:06,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:54:06,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:54:06,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:54:07,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:54:07,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:54:06" (1/1) ... [2024-11-12 07:54:07,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d564e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07, skipping insertion in model container [2024-11-12 07:54:07,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:54:06" (1/1) ... [2024-11-12 07:54:07,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:54:07,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i[917,930] [2024-11-12 07:54:07,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:54:07,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:54:07,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i[917,930] [2024-11-12 07:54:07,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:54:07,467 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:54:07,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07 WrapperNode [2024-11-12 07:54:07,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:54:07,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:54:07,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:54:07,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:54:07,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,559 INFO L138 Inliner]: procedures = 30, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 524 [2024-11-12 07:54:07,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:54:07,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:54:07,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:54:07,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:54:07,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,598 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-12 07:54:07,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:54:07,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:54:07,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:54:07,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:54:07,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (1/1) ... [2024-11-12 07:54:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:54:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:54:07,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 07:54:07,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 07:54:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:54:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-12 07:54:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-12 07:54:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-12 07:54:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 07:54:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-12 07:54:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 07:54:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:54:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:54:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 07:54:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:54:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:54:07,900 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:54:07,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:54:08,773 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-12 07:54:08,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:54:08,795 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:54:08,796 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:54:08,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:54:08 BoogieIcfgContainer [2024-11-12 07:54:08,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:54:08,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:54:08,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:54:08,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:54:08,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:54:06" (1/3) ... [2024-11-12 07:54:08,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@853de21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:54:08, skipping insertion in model container [2024-11-12 07:54:08,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:54:07" (2/3) ... [2024-11-12 07:54:08,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@853de21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:54:08, skipping insertion in model container [2024-11-12 07:54:08,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:54:08" (3/3) ... [2024-11-12 07:54:08,803 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-12 07:54:08,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:54:08,818 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:54:08,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:54:08,881 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@6d5e97f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:54:08,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:54:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 07:54:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:08,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:08,901 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:08,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:08,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash 686700268, now seen corresponding path program 1 times [2024-11-12 07:54:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:08,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024832000] [2024-11-12 07:54:08,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:08,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:09,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024832000] [2024-11-12 07:54:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024832000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:09,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:09,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:54:09,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456313405] [2024-11-12 07:54:09,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:09,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:54:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:09,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:54:09,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:54:09,716 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-12 07:54:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:09,753 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-11-12 07:54:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:54:09,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-12 07:54:09,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:09,762 INFO L225 Difference]: With dead ends: 233 [2024-11-12 07:54:09,762 INFO L226 Difference]: Without dead ends: 116 [2024-11-12 07:54:09,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:54:09,769 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:09,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:54:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-12 07:54:09,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-12 07:54:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 07:54:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-12 07:54:09,827 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-11-12 07:54:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:09,828 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-12 07:54:09,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-12 07:54:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-12 07:54:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:09,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:09,833 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:09,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:54:09,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:09,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:09,835 INFO L85 PathProgramCache]: Analyzing trace with hash 326820314, now seen corresponding path program 1 times [2024-11-12 07:54:09,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:09,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075343150] [2024-11-12 07:54:09,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:09,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:10,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:10,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075343150] [2024-11-12 07:54:10,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075343150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:10,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:10,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:54:10,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182296520] [2024-11-12 07:54:10,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:10,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:54:10,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:10,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:54:10,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:10,442 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:10,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:10,506 INFO L93 Difference]: Finished difference Result 232 states and 337 transitions. [2024-11-12 07:54:10,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:54:10,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:10,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:10,512 INFO L225 Difference]: With dead ends: 232 [2024-11-12 07:54:10,514 INFO L226 Difference]: Without dead ends: 119 [2024-11-12 07:54:10,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:10,518 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:10,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:54:10,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-12 07:54:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-12 07:54:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 07:54:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-12 07:54:10,547 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-11-12 07:54:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:10,551 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-12 07:54:10,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-12 07:54:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:10,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:10,559 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:10,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:54:10,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:10,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:10,561 INFO L85 PathProgramCache]: Analyzing trace with hash 2101827676, now seen corresponding path program 1 times [2024-11-12 07:54:10,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:10,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540285170] [2024-11-12 07:54:10,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:10,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540285170] [2024-11-12 07:54:10,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540285170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:10,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:10,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:54:10,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784560428] [2024-11-12 07:54:10,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:10,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:54:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:10,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:54:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:10,959 INFO L87 Difference]: Start difference. First operand 118 states and 170 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:11,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:11,005 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-11-12 07:54:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:54:11,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:11,011 INFO L225 Difference]: With dead ends: 236 [2024-11-12 07:54:11,011 INFO L226 Difference]: Without dead ends: 121 [2024-11-12 07:54:11,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:11,017 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:11,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:54:11,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-12 07:54:11,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-12 07:54:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 07:54:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-12 07:54:11,027 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 190 [2024-11-12 07:54:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:11,027 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-12 07:54:11,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-12 07:54:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:11,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:11,030 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:11,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:54:11,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:11,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash 2103674718, now seen corresponding path program 1 times [2024-11-12 07:54:11,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:11,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473390796] [2024-11-12 07:54:11,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473390796] [2024-11-12 07:54:11,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473390796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:11,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:11,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:54:11,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915251108] [2024-11-12 07:54:11,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:11,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:54:11,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:11,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:54:11,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:11,433 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:11,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:11,464 INFO L93 Difference]: Finished difference Result 239 states and 344 transitions. [2024-11-12 07:54:11,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:54:11,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:11,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:11,467 INFO L225 Difference]: With dead ends: 239 [2024-11-12 07:54:11,470 INFO L226 Difference]: Without dead ends: 122 [2024-11-12 07:54:11,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:54:11,472 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:11,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:54:11,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-12 07:54:11,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-12 07:54:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 07:54:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-12 07:54:11,488 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 190 [2024-11-12 07:54:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:11,489 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-12 07:54:11,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-12 07:54:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:11,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:11,493 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:11,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:54:11,494 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:11,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:11,497 INFO L85 PathProgramCache]: Analyzing trace with hash 180446684, now seen corresponding path program 1 times [2024-11-12 07:54:11,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:11,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104053645] [2024-11-12 07:54:11,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:14,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:14,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104053645] [2024-11-12 07:54:14,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104053645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:14,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:14,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:54:14,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834954847] [2024-11-12 07:54:14,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:14,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:54:14,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:14,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:54:14,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:54:14,743 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:15,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:15,579 INFO L93 Difference]: Finished difference Result 260 states and 369 transitions. [2024-11-12 07:54:15,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:54:15,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-12 07:54:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:15,582 INFO L225 Difference]: With dead ends: 260 [2024-11-12 07:54:15,583 INFO L226 Difference]: Without dead ends: 141 [2024-11-12 07:54:15,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:54:15,585 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:15,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 412 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:54:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-12 07:54:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2024-11-12 07:54:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.276190476190476) internal successors, (134), 106 states have internal predecessors, (134), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 192 transitions. [2024-11-12 07:54:15,641 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 192 transitions. Word has length 190 [2024-11-12 07:54:15,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:15,642 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 192 transitions. [2024-11-12 07:54:15,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2024-11-12 07:54:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:15,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:15,646 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:15,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:54:15,646 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:15,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:15,647 INFO L85 PathProgramCache]: Analyzing trace with hash -805089184, now seen corresponding path program 1 times [2024-11-12 07:54:15,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:15,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476277018] [2024-11-12 07:54:15,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:15,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:20,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:20,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476277018] [2024-11-12 07:54:20,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476277018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:20,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:54:20,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510947866] [2024-11-12 07:54:20,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:20,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:54:20,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:20,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:54:20,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:54:20,855 INFO L87 Difference]: Start difference. First operand 137 states and 192 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:22,284 INFO L93 Difference]: Finished difference Result 308 states and 436 transitions. [2024-11-12 07:54:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:54:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-12 07:54:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:22,288 INFO L225 Difference]: With dead ends: 308 [2024-11-12 07:54:22,289 INFO L226 Difference]: Without dead ends: 187 [2024-11-12 07:54:22,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-11-12 07:54:22,291 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 700 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:22,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 414 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:54:22,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-12 07:54:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 148. [2024-11-12 07:54:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 117 states have internal predecessors, (151), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 209 transitions. [2024-11-12 07:54:22,318 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 209 transitions. Word has length 190 [2024-11-12 07:54:22,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:22,318 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 209 transitions. [2024-11-12 07:54:22,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2024-11-12 07:54:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:22,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:22,321 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:22,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:54:22,322 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:22,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1495733406, now seen corresponding path program 1 times [2024-11-12 07:54:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:22,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316055515] [2024-11-12 07:54:22,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:24,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:24,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316055515] [2024-11-12 07:54:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316055515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:24,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:24,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:54:24,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036712403] [2024-11-12 07:54:24,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:24,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:54:24,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:24,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:54:24,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:54:24,144 INFO L87 Difference]: Start difference. First operand 148 states and 209 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:25,394 INFO L93 Difference]: Finished difference Result 366 states and 517 transitions. [2024-11-12 07:54:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:54:25,394 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:25,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:25,396 INFO L225 Difference]: With dead ends: 366 [2024-11-12 07:54:25,396 INFO L226 Difference]: Without dead ends: 234 [2024-11-12 07:54:25,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:54:25,398 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 471 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:25,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 717 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 07:54:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-12 07:54:25,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 157. [2024-11-12 07:54:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 125 states have (on average 1.304) internal successors, (163), 126 states have internal predecessors, (163), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:25,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 221 transitions. [2024-11-12 07:54:25,435 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 221 transitions. Word has length 190 [2024-11-12 07:54:25,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:25,435 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 221 transitions. [2024-11-12 07:54:25,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:25,436 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 221 transitions. [2024-11-12 07:54:25,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:25,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:25,438 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:25,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:54:25,438 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:25,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash -904232631, now seen corresponding path program 1 times [2024-11-12 07:54:25,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:25,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247750220] [2024-11-12 07:54:25,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:26,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:26,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247750220] [2024-11-12 07:54:26,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247750220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:26,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:26,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:54:26,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810372735] [2024-11-12 07:54:26,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:26,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:54:26,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:26,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:54:26,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:54:26,196 INFO L87 Difference]: Start difference. First operand 157 states and 221 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:26,515 INFO L93 Difference]: Finished difference Result 346 states and 490 transitions. [2024-11-12 07:54:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:54:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:26,519 INFO L225 Difference]: With dead ends: 346 [2024-11-12 07:54:26,519 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 07:54:26,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:54:26,520 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 214 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:26,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 626 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:54:26,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 07:54:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 164. [2024-11-12 07:54:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.3181818181818181) internal successors, (174), 133 states have internal predecessors, (174), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 232 transitions. [2024-11-12 07:54:26,553 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 232 transitions. Word has length 190 [2024-11-12 07:54:26,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:26,556 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 232 transitions. [2024-11-12 07:54:26,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 232 transitions. [2024-11-12 07:54:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:26,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:26,558 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:26,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:54:26,559 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:26,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:26,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1396589959, now seen corresponding path program 1 times [2024-11-12 07:54:26,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:26,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596751125] [2024-11-12 07:54:26,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:31,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596751125] [2024-11-12 07:54:31,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596751125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:31,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:31,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:54:31,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600542838] [2024-11-12 07:54:31,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:31,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:54:31,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:54:31,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:54:31,664 INFO L87 Difference]: Start difference. First operand 164 states and 232 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:33,694 INFO L93 Difference]: Finished difference Result 404 states and 570 transitions. [2024-11-12 07:54:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:54:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-12 07:54:33,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:33,697 INFO L225 Difference]: With dead ends: 404 [2024-11-12 07:54:33,697 INFO L226 Difference]: Without dead ends: 256 [2024-11-12 07:54:33,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:54:33,699 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 317 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:33,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 879 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 07:54:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-12 07:54:33,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 170. [2024-11-12 07:54:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-12 07:54:33,728 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-12 07:54:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:33,729 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-12 07:54:33,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-12 07:54:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:33,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:33,732 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:33,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:54:33,733 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:33,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:33,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1227791010, now seen corresponding path program 1 times [2024-11-12 07:54:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:33,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637721786] [2024-11-12 07:54:33,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:33,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:37,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:38,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:38,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637721786] [2024-11-12 07:54:38,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637721786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:38,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:38,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:54:38,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549625427] [2024-11-12 07:54:38,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:38,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:54:38,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:38,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:54:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:54:38,266 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:39,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:39,305 INFO L93 Difference]: Finished difference Result 369 states and 526 transitions. [2024-11-12 07:54:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:54:39,305 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-12 07:54:39,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:39,308 INFO L225 Difference]: With dead ends: 369 [2024-11-12 07:54:39,308 INFO L226 Difference]: Without dead ends: 215 [2024-11-12 07:54:39,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:54:39,310 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 630 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:39,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 369 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 07:54:39,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-12 07:54:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2024-11-12 07:54:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 07:54:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-12 07:54:39,340 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-12 07:54:39,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:39,341 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-12 07:54:39,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-12 07:54:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:39,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:39,343 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:39,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:54:39,344 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:39,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1073031580, now seen corresponding path program 1 times [2024-11-12 07:54:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:39,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721002965] [2024-11-12 07:54:39,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:43,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:43,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721002965] [2024-11-12 07:54:43,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721002965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:43,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:43,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:54:43,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296311620] [2024-11-12 07:54:43,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:43,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:54:43,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:43,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:54:43,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:54:43,686 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:45,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:45,222 INFO L93 Difference]: Finished difference Result 428 states and 600 transitions. [2024-11-12 07:54:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:54:45,223 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-12 07:54:45,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:45,225 INFO L225 Difference]: With dead ends: 428 [2024-11-12 07:54:45,225 INFO L226 Difference]: Without dead ends: 274 [2024-11-12 07:54:45,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-12 07:54:45,226 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 623 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:45,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 633 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:54:45,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-12 07:54:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-12 07:54:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 187 states have (on average 1.3315508021390374) internal successors, (249), 189 states have internal predecessors, (249), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 07:54:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 311 transitions. [2024-11-12 07:54:45,262 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 311 transitions. Word has length 190 [2024-11-12 07:54:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:45,263 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 311 transitions. [2024-11-12 07:54:45,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 07:54:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 311 transitions. [2024-11-12 07:54:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:45,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:45,266 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:45,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 07:54:45,267 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:45,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1326934457, now seen corresponding path program 1 times [2024-11-12 07:54:45,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:45,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900296821] [2024-11-12 07:54:45,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:46,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:46,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900296821] [2024-11-12 07:54:46,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900296821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:46,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:46,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:54:46,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126862943] [2024-11-12 07:54:46,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:46,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:54:46,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:46,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:54:46,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:54:46,181 INFO L87 Difference]: Start difference. First operand 223 states and 311 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:46,593 INFO L93 Difference]: Finished difference Result 517 states and 725 transitions. [2024-11-12 07:54:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:54:46,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-12 07:54:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:46,596 INFO L225 Difference]: With dead ends: 517 [2024-11-12 07:54:46,596 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 07:54:46,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:54:46,598 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 215 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:46,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 680 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:54:46,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 07:54:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 224. [2024-11-12 07:54:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 188 states have (on average 1.3351063829787233) internal successors, (251), 190 states have internal predecessors, (251), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 07:54:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 313 transitions. [2024-11-12 07:54:46,634 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 313 transitions. Word has length 190 [2024-11-12 07:54:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:46,636 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 313 transitions. [2024-11-12 07:54:46,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-12 07:54:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 313 transitions. [2024-11-12 07:54:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:46,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:46,638 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:46,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:54:46,638 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash 973888133, now seen corresponding path program 1 times [2024-11-12 07:54:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19120922] [2024-11-12 07:54:46,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:51,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:51,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19120922] [2024-11-12 07:54:51,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19120922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:51,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:51,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 07:54:51,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596508041] [2024-11-12 07:54:51,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:51,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 07:54:51,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:51,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 07:54:51,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:54:51,657 INFO L87 Difference]: Start difference. First operand 224 states and 313 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:54:54,186 INFO L93 Difference]: Finished difference Result 613 states and 851 transitions. [2024-11-12 07:54:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 07:54:54,187 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-12 07:54:54,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:54:54,191 INFO L225 Difference]: With dead ends: 613 [2024-11-12 07:54:54,191 INFO L226 Difference]: Without dead ends: 409 [2024-11-12 07:54:54,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2024-11-12 07:54:54,195 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 947 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:54:54,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 707 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 07:54:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-12 07:54:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 291. [2024-11-12 07:54:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 255 states have (on average 1.3686274509803922) internal successors, (349), 257 states have internal predecessors, (349), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 07:54:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2024-11-12 07:54:54,235 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 190 [2024-11-12 07:54:54,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:54:54,236 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2024-11-12 07:54:54,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-12 07:54:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2024-11-12 07:54:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:54:54,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:54:54,237 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:54:54,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:54:54,238 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:54:54,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:54:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1361719900, now seen corresponding path program 1 times [2024-11-12 07:54:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:54:54,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385809276] [2024-11-12 07:54:54,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:54:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:54:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:54:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:54:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:54:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:54:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:54:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:54:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:54:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:54:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:54:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:54:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:54:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:54:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:54:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:54:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:54:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:54:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:54:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:54:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:54:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:54:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:54:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:54:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:54:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:54:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:54:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:54:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:54:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:54:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385809276] [2024-11-12 07:54:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385809276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:54:59,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:54:59,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 07:54:59,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800900567] [2024-11-12 07:54:59,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:54:59,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 07:54:59,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:54:59,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 07:54:59,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:54:59,478 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-12 07:55:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:55:02,020 INFO L93 Difference]: Finished difference Result 643 states and 900 transitions. [2024-11-12 07:55:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 07:55:02,021 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) Word has length 190 [2024-11-12 07:55:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:55:02,024 INFO L225 Difference]: With dead ends: 643 [2024-11-12 07:55:02,024 INFO L226 Difference]: Without dead ends: 355 [2024-11-12 07:55:02,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2024-11-12 07:55:02,025 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 592 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:55:02,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 878 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 07:55:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-12 07:55:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 289. [2024-11-12 07:55:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.3675889328063242) internal successors, (346), 255 states have internal predecessors, (346), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 07:55:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 408 transitions. [2024-11-12 07:55:02,062 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 408 transitions. Word has length 190 [2024-11-12 07:55:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:55:02,063 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 408 transitions. [2024-11-12 07:55:02,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-12 07:55:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 408 transitions. [2024-11-12 07:55:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-12 07:55:02,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:55:02,064 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:55:02,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 07:55:02,065 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:55:02,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:55:02,065 INFO L85 PathProgramCache]: Analyzing trace with hash 939018074, now seen corresponding path program 1 times [2024-11-12 07:55:02,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:55:02,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925481440] [2024-11-12 07:55:02,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:55:02,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:55:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:55:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:55:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:55:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:55:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:55:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:55:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:55:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:55:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:55:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:55:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:55:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:55:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:55:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:55:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:55:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:55:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:55:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:55:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:55:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:55:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 07:55:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 07:55:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 07:55:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 07:55:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 07:55:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:55:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 07:55:07,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:55:07,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925481440] [2024-11-12 07:55:07,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925481440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:55:07,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:55:07,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-12 07:55:07,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701618194] [2024-11-12 07:55:07,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:55:07,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 07:55:07,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:55:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 07:55:07,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-12 07:55:07,697 INFO L87 Difference]: Start difference. First operand 289 states and 408 transitions. Second operand has 20 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 20 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25)