./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.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 ec4a99a42fc6f0ccec68ba89670f2fae39f650d22bb1f7fba4edc18d487cd200 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:06:56,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:06:56,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:06:56,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:06:56,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:06:56,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:06:56,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:06:56,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:06:56,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:06:56,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:06:56,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:06:56,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:06:56,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:06:56,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:06:56,440 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:06:56,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:06:56,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:06:56,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:06:56,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:06:56,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:06:56,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:06:56,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:06:56,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:06:56,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:06:56,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:06:56,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:06:56,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:06:56,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:06:56,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:06:56,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:06:56,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:06:56,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:06:56,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:06:56,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:06:56,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:06:56,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:06:56,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:06:56,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4a99a42fc6f0ccec68ba89670f2fae39f650d22bb1f7fba4edc18d487cd200 [2024-10-24 07:06:56,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:06:56,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:06:56,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:06:56,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:06:56,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:06:56,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-10-24 07:06:58,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:06:58,188 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:06:58,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-10-24 07:06:58,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d0d61a9/3b418f2c0c1a490e9b33d74b708e0e70/FLAGe5e9d98e5 [2024-10-24 07:06:58,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d0d61a9/3b418f2c0c1a490e9b33d74b708e0e70 [2024-10-24 07:06:58,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:06:58,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:06:58,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:06:58,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:06:58,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:06:58,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cdb975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58, skipping insertion in model container [2024-10-24 07:06:58,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:06:58,748 WARN L248 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_fillercode_fillercodestructure_filler-pe-cn_file-52.i[919,932] [2024-10-24 07:06:58,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:06:58,817 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:06:58,829 WARN L248 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_fillercode_fillercodestructure_filler-pe-cn_file-52.i[919,932] [2024-10-24 07:06:58,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:06:58,888 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:06:58,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58 WrapperNode [2024-10-24 07:06:58,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:06:58,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:06:58,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:06:58,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:06:58,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,935 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-10-24 07:06:58,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:06:58,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:06:58,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:06:58,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:06:58,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,964 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:06:58,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:06:58,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:06:58,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:06:58,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:06:58,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (1/1) ... [2024-10-24 07:06:58,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:06:59,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:06:59,019 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) [2024-10-24 07:06:59,021 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 [2024-10-24 07:06:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:06:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:06:59,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:06:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:06:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:06:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:06:59,196 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:06:59,197 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:06:59,572 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 07:06:59,573 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:06:59,611 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:06:59,611 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:06:59,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:06:59 BoogieIcfgContainer [2024-10-24 07:06:59,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:06:59,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:06:59,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:06:59,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:06:59,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:06:58" (1/3) ... [2024-10-24 07:06:59,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567bd601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:06:59, skipping insertion in model container [2024-10-24 07:06:59,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:06:58" (2/3) ... [2024-10-24 07:06:59,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567bd601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:06:59, skipping insertion in model container [2024-10-24 07:06:59,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:06:59" (3/3) ... [2024-10-24 07:06:59,625 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-10-24 07:06:59,638 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:06:59,638 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:06:59,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:06:59,696 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;@d9889d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:06:59,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:06:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 07:06:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 07:06:59,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:06:59,718 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:06:59,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:06:59,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:06:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1140265514, now seen corresponding path program 1 times [2024-10-24 07:06:59,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:06:59,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108161383] [2024-10-24 07:06:59,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:06:59,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:06:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:00,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:00,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108161383] [2024-10-24 07:07:00,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108161383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:00,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:00,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:07:00,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166684592] [2024-10-24 07:07:00,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:00,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:07:00,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:00,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:07:00,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:07:00,294 INFO L87 Difference]: Start difference. First operand has 99 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 07:07:00,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:00,347 INFO L93 Difference]: Finished difference Result 195 states and 350 transitions. [2024-10-24 07:07:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:07:00,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-10-24 07:07:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:00,357 INFO L225 Difference]: With dead ends: 195 [2024-10-24 07:07:00,358 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 07:07:00,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:07:00,370 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:00,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:07:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 07:07:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-24 07:07:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 61 states have internal predecessors, (86), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 07:07:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-24 07:07:00,425 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 214 [2024-10-24 07:07:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:00,426 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-24 07:07:00,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 07:07:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-24 07:07:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 07:07:00,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:00,432 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:00,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:07:00,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:00,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1332889818, now seen corresponding path program 1 times [2024-10-24 07:07:00,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:00,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923247380] [2024-10-24 07:07:00,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:00,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:01,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:01,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923247380] [2024-10-24 07:07:01,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923247380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:01,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:01,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 07:07:01,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279086186] [2024-10-24 07:07:01,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:01,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 07:07:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:01,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 07:07:01,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 07:07:01,348 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:01,748 INFO L93 Difference]: Finished difference Result 275 states and 431 transitions. [2024-10-24 07:07:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 07:07:01,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 07:07:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:01,757 INFO L225 Difference]: With dead ends: 275 [2024-10-24 07:07:01,757 INFO L226 Difference]: Without dead ends: 179 [2024-10-24 07:07:01,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-24 07:07:01,758 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 116 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:01,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 880 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:07:01,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-24 07:07:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 141. [2024-10-24 07:07:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 07:07:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 223 transitions. [2024-10-24 07:07:01,779 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 223 transitions. Word has length 214 [2024-10-24 07:07:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:01,780 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 223 transitions. [2024-10-24 07:07:01,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 223 transitions. [2024-10-24 07:07:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 07:07:01,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:01,787 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:01,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:07:01,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:01,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:01,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1275631516, now seen corresponding path program 1 times [2024-10-24 07:07:01,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:01,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777630715] [2024-10-24 07:07:01,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:01,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:02,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:02,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777630715] [2024-10-24 07:07:02,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777630715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:02,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:02,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:07:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298537434] [2024-10-24 07:07:02,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:02,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:07:02,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:02,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:07:02,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:07:02,175 INFO L87 Difference]: Start difference. First operand 141 states and 223 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:02,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:02,383 INFO L93 Difference]: Finished difference Result 358 states and 565 transitions. [2024-10-24 07:07:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:07:02,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 07:07:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:02,389 INFO L225 Difference]: With dead ends: 358 [2024-10-24 07:07:02,389 INFO L226 Difference]: Without dead ends: 218 [2024-10-24 07:07:02,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:07:02,390 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 77 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:02,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 534 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:07:02,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-10-24 07:07:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215. [2024-10-24 07:07:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 136 states have (on average 1.4044117647058822) internal successors, (191), 139 states have internal predecessors, (191), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 71 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-24 07:07:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 339 transitions. [2024-10-24 07:07:02,423 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 339 transitions. Word has length 214 [2024-10-24 07:07:02,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:02,424 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 339 transitions. [2024-10-24 07:07:02,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2024-10-24 07:07:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 07:07:02,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:02,428 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:02,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:07:02,429 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:02,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2033954396, now seen corresponding path program 1 times [2024-10-24 07:07:02,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:02,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965079142] [2024-10-24 07:07:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:02,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:02,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965079142] [2024-10-24 07:07:02,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965079142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:02,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:02,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:07:02,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122125327] [2024-10-24 07:07:02,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:02,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:07:02,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:07:02,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:07:02,720 INFO L87 Difference]: Start difference. First operand 215 states and 339 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:02,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:02,784 INFO L93 Difference]: Finished difference Result 594 states and 935 transitions. [2024-10-24 07:07:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:07:02,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 07:07:02,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:02,788 INFO L225 Difference]: With dead ends: 594 [2024-10-24 07:07:02,788 INFO L226 Difference]: Without dead ends: 380 [2024-10-24 07:07:02,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:07:02,790 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 71 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:02,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 338 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:07:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-24 07:07:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 377. [2024-10-24 07:07:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 236 states have (on average 1.3855932203389831) internal successors, (327), 243 states have internal predecessors, (327), 132 states have call successors, (132), 8 states have call predecessors, (132), 8 states have return successors, (132), 125 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-24 07:07:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 591 transitions. [2024-10-24 07:07:02,844 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 591 transitions. Word has length 214 [2024-10-24 07:07:02,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:02,844 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 591 transitions. [2024-10-24 07:07:02,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 591 transitions. [2024-10-24 07:07:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:07:02,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:02,846 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:02,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:07:02,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:02,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:02,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1330454890, now seen corresponding path program 1 times [2024-10-24 07:07:02,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883871015] [2024-10-24 07:07:02,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:14,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:14,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883871015] [2024-10-24 07:07:14,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883871015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:14,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:14,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:07:14,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168169026] [2024-10-24 07:07:14,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:14,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:07:14,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:14,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:07:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:07:14,642 INFO L87 Difference]: Start difference. First operand 377 states and 591 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:17,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:17,109 INFO L93 Difference]: Finished difference Result 1412 states and 2220 transitions. [2024-10-24 07:07:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 07:07:17,110 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2024-10-24 07:07:17,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:17,117 INFO L225 Difference]: With dead ends: 1412 [2024-10-24 07:07:17,117 INFO L226 Difference]: Without dead ends: 1036 [2024-10-24 07:07:17,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-10-24 07:07:17,120 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 885 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:17,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1074 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 07:07:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-10-24 07:07:17,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 449. [2024-10-24 07:07:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 278 states have internal predecessors, (365), 166 states have call successors, (166), 11 states have call predecessors, (166), 11 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2024-10-24 07:07:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 697 transitions. [2024-10-24 07:07:17,166 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 697 transitions. Word has length 215 [2024-10-24 07:07:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:17,169 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 697 transitions. [2024-10-24 07:07:17,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 697 transitions. [2024-10-24 07:07:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:07:17,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:17,172 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:17,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:07:17,172 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:17,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1111600172, now seen corresponding path program 1 times [2024-10-24 07:07:17,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:17,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162989667] [2024-10-24 07:07:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:17,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:17,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:17,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162989667] [2024-10-24 07:07:17,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162989667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:17,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:17,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:07:17,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987267322] [2024-10-24 07:07:17,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:17,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:07:17,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:17,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:07:17,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:07:17,587 INFO L87 Difference]: Start difference. First operand 449 states and 697 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:17,714 INFO L93 Difference]: Finished difference Result 1112 states and 1691 transitions. [2024-10-24 07:07:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:07:17,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-24 07:07:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:17,722 INFO L225 Difference]: With dead ends: 1112 [2024-10-24 07:07:17,722 INFO L226 Difference]: Without dead ends: 736 [2024-10-24 07:07:17,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:07:17,724 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 138 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:17,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 433 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:07:17,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-10-24 07:07:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 493. [2024-10-24 07:07:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 306 states have (on average 1.3137254901960784) internal successors, (402), 313 states have internal predecessors, (402), 166 states have call successors, (166), 20 states have call predecessors, (166), 20 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2024-10-24 07:07:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 734 transitions. [2024-10-24 07:07:17,771 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 734 transitions. Word has length 215 [2024-10-24 07:07:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:17,772 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 734 transitions. [2024-10-24 07:07:17,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 734 transitions. [2024-10-24 07:07:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:07:17,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:17,774 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:17,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:07:17,774 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:17,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash 720912278, now seen corresponding path program 1 times [2024-10-24 07:07:17,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:17,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870918150] [2024-10-24 07:07:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:17,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:25,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870918150] [2024-10-24 07:07:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870918150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:25,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:07:25,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045235620] [2024-10-24 07:07:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:25,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:07:25,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:07:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:07:25,829 INFO L87 Difference]: Start difference. First operand 493 states and 734 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:30,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:30,534 INFO L93 Difference]: Finished difference Result 1736 states and 2678 transitions. [2024-10-24 07:07:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 07:07:30,535 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2024-10-24 07:07:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:30,542 INFO L225 Difference]: With dead ends: 1736 [2024-10-24 07:07:30,542 INFO L226 Difference]: Without dead ends: 1734 [2024-10-24 07:07:30,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=420, Invalid=986, Unknown=0, NotChecked=0, Total=1406 [2024-10-24 07:07:30,543 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 816 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:30,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1786 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 07:07:30,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-10-24 07:07:30,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1034. [2024-10-24 07:07:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 699 states have (on average 1.3805436337625179) internal successors, (965), 713 states have internal predecessors, (965), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1561 transitions. [2024-10-24 07:07:30,635 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1561 transitions. Word has length 215 [2024-10-24 07:07:30,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:30,635 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1561 transitions. [2024-10-24 07:07:30,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1561 transitions. [2024-10-24 07:07:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:07:30,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:30,638 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:30,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:07:30,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:30,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:30,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1189906280, now seen corresponding path program 1 times [2024-10-24 07:07:30,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:30,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546085979] [2024-10-24 07:07:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:30,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:30,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:30,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546085979] [2024-10-24 07:07:30,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546085979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:30,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:30,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:07:30,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173918856] [2024-10-24 07:07:30,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:30,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:07:30,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:30,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:07:30,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:07:30,800 INFO L87 Difference]: Start difference. First operand 1034 states and 1561 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:31,008 INFO L93 Difference]: Finished difference Result 1450 states and 2185 transitions. [2024-10-24 07:07:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:07:31,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-24 07:07:31,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:31,015 INFO L225 Difference]: With dead ends: 1450 [2024-10-24 07:07:31,015 INFO L226 Difference]: Without dead ends: 1034 [2024-10-24 07:07:31,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:07:31,019 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 149 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:31,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 219 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:07:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-10-24 07:07:31,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-10-24 07:07:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 699 states have (on average 1.3762517882689556) internal successors, (962), 713 states have internal predecessors, (962), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1558 transitions. [2024-10-24 07:07:31,105 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1558 transitions. Word has length 215 [2024-10-24 07:07:31,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:31,106 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1558 transitions. [2024-10-24 07:07:31,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1558 transitions. [2024-10-24 07:07:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 07:07:31,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:31,109 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:31,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 07:07:31,109 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:31,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:31,110 INFO L85 PathProgramCache]: Analyzing trace with hash -611027403, now seen corresponding path program 1 times [2024-10-24 07:07:31,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:31,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099877313] [2024-10-24 07:07:31,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:31,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:38,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099877313] [2024-10-24 07:07:38,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099877313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:38,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:38,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 07:07:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130787111] [2024-10-24 07:07:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:38,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 07:07:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 07:07:38,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-10-24 07:07:38,166 INFO L87 Difference]: Start difference. First operand 1034 states and 1558 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 07:07:39,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:39,239 INFO L93 Difference]: Finished difference Result 2014 states and 3074 transitions. [2024-10-24 07:07:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 07:07:39,240 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 216 [2024-10-24 07:07:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:39,248 INFO L225 Difference]: With dead ends: 2014 [2024-10-24 07:07:39,249 INFO L226 Difference]: Without dead ends: 1595 [2024-10-24 07:07:39,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-10-24 07:07:39,253 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 433 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:39,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1143 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 07:07:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2024-10-24 07:07:39,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1031. [2024-10-24 07:07:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 696 states have (on average 1.3764367816091954) internal successors, (958), 710 states have internal predecessors, (958), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1554 transitions. [2024-10-24 07:07:39,342 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1554 transitions. Word has length 216 [2024-10-24 07:07:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:39,343 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1554 transitions. [2024-10-24 07:07:39,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 07:07:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1554 transitions. [2024-10-24 07:07:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 07:07:39,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:39,345 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:39,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 07:07:39,345 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:39,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1206947839, now seen corresponding path program 1 times [2024-10-24 07:07:39,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966016419] [2024-10-24 07:07:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:41,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:41,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966016419] [2024-10-24 07:07:41,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966016419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:41,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:41,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 07:07:41,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237408067] [2024-10-24 07:07:41,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:41,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 07:07:41,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 07:07:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 07:07:41,320 INFO L87 Difference]: Start difference. First operand 1031 states and 1554 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 07:07:41,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:41,799 INFO L93 Difference]: Finished difference Result 2403 states and 3664 transitions. [2024-10-24 07:07:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 07:07:41,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 216 [2024-10-24 07:07:41,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:41,808 INFO L225 Difference]: With dead ends: 2403 [2024-10-24 07:07:41,808 INFO L226 Difference]: Without dead ends: 1445 [2024-10-24 07:07:41,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-24 07:07:41,812 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 312 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:41,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 789 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:07:41,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-10-24 07:07:41,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1030. [2024-10-24 07:07:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 695 states have (on average 1.3755395683453238) internal successors, (956), 709 states have internal predecessors, (956), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:41,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1552 transitions. [2024-10-24 07:07:41,907 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1552 transitions. Word has length 216 [2024-10-24 07:07:41,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:41,907 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1552 transitions. [2024-10-24 07:07:41,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 07:07:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1552 transitions. [2024-10-24 07:07:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 07:07:41,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:41,910 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:41,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 07:07:41,910 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:41,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:41,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1443154635, now seen corresponding path program 1 times [2024-10-24 07:07:41,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:41,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574443909] [2024-10-24 07:07:41,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:41,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:46,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574443909] [2024-10-24 07:07:46,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574443909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:46,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:46,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:07:46,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066240789] [2024-10-24 07:07:46,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:46,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:07:46,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:46,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:07:46,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:07:46,869 INFO L87 Difference]: Start difference. First operand 1030 states and 1552 transitions. Second operand has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:49,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:49,743 INFO L93 Difference]: Finished difference Result 2720 states and 4229 transitions. [2024-10-24 07:07:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 07:07:49,744 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 216 [2024-10-24 07:07:49,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:49,753 INFO L225 Difference]: With dead ends: 2720 [2024-10-24 07:07:49,753 INFO L226 Difference]: Without dead ends: 2304 [2024-10-24 07:07:49,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:07:49,756 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 574 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:49,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1960 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 07:07:49,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2024-10-24 07:07:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 1158. [2024-10-24 07:07:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 823 states have (on average 1.410692588092345) internal successors, (1161), 837 states have internal predecessors, (1161), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1757 transitions. [2024-10-24 07:07:49,871 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1757 transitions. Word has length 216 [2024-10-24 07:07:49,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:49,872 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1757 transitions. [2024-10-24 07:07:49,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 07:07:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1757 transitions. [2024-10-24 07:07:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 07:07:49,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:49,874 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:49,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 07:07:49,874 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:49,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2114708355, now seen corresponding path program 1 times [2024-10-24 07:07:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146528581] [2024-10-24 07:07:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:07:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:07:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:07:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:07:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:07:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:07:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:07:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:07:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:07:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:07:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:07:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:07:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:07:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:07:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:07:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:07:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:07:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:07:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:07:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:07:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:07:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:07:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:07:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:07:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:07:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:07:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:07:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:07:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:07:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:07:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:07:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:07:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:07:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:07:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:07:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:07:52,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:07:52,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146528581] [2024-10-24 07:07:52,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146528581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:07:52,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:07:52,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 07:07:52,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576599544] [2024-10-24 07:07:52,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:07:52,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 07:07:52,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:07:52,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 07:07:52,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 07:07:52,814 INFO L87 Difference]: Start difference. First operand 1158 states and 1757 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:07:54,092 INFO L93 Difference]: Finished difference Result 2922 states and 4500 transitions. [2024-10-24 07:07:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 07:07:54,093 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-10-24 07:07:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:07:54,104 INFO L225 Difference]: With dead ends: 2922 [2024-10-24 07:07:54,104 INFO L226 Difference]: Without dead ends: 1965 [2024-10-24 07:07:54,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2024-10-24 07:07:54,111 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 575 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:07:54,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 726 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 07:07:54,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2024-10-24 07:07:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1168. [2024-10-24 07:07:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 833 states have (on average 1.4081632653061225) internal successors, (1173), 847 states have internal predecessors, (1173), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:07:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1769 transitions. [2024-10-24 07:07:54,216 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1769 transitions. Word has length 216 [2024-10-24 07:07:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:07:54,216 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1769 transitions. [2024-10-24 07:07:54,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:07:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1769 transitions. [2024-10-24 07:07:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-10-24 07:07:54,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:07:54,222 INFO L215 NwaCegarLoop]: trace histogram [68, 68, 68, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:07:54,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 07:07:54,222 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:07:54,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:07:54,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1575244625, now seen corresponding path program 1 times [2024-10-24 07:07:54,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:07:54,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888206953] [2024-10-24 07:07:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:07:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:07:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:08:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:08:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:08:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:08:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:08:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:08:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:08:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:08:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:08:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:08:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:08:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:08:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:08:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:08:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:08:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:08:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:08:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:08:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:08:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:08:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:08:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:08:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:08:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:08:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:08:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:08:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:08:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:08:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:08:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:08:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:08:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:08:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:08:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:08:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:08:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 07:08:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:08:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 07:08:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 07:08:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 07:08:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 07:08:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 07:08:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 07:08:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 07:08:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-24 07:08:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 07:08:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-24 07:08:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 07:08:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 07:08:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 07:08:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 07:08:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 07:08:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 07:08:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 07:08:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 07:08:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 07:08:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 07:08:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 07:08:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 07:08:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-24 07:08:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 07:08:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 07:08:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-10-24 07:08:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-10-24 07:08:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2024-10-24 07:08:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-24 07:08:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-24 07:08:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-24 07:08:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9188 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2024-10-24 07:08:03,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:08:03,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888206953] [2024-10-24 07:08:03,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888206953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 07:08:03,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338636239] [2024-10-24 07:08:03,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:08:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 07:08:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:08:03,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 07:08:03,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 07:08:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:03,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 07:08:03,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 07:08:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9188 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9167 trivial. 0 not checked. [2024-10-24 07:08:03,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 07:08:03,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338636239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:08:03,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 07:08:03,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2024-10-24 07:08:03,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953715167] [2024-10-24 07:08:03,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:08:03,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:08:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:08:03,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:08:03,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-10-24 07:08:03,813 INFO L87 Difference]: Start difference. First operand 1168 states and 1769 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:08:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:08:03,912 INFO L93 Difference]: Finished difference Result 2108 states and 3183 transitions. [2024-10-24 07:08:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:08:03,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 429 [2024-10-24 07:08:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:08:03,920 INFO L225 Difference]: With dead ends: 2108 [2024-10-24 07:08:03,920 INFO L226 Difference]: Without dead ends: 1021 [2024-10-24 07:08:03,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-10-24 07:08:03,924 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:08:03,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:08:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-10-24 07:08:04,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2024-10-24 07:08:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 686 states have (on average 1.3571428571428572) internal successors, (931), 700 states have internal predecessors, (931), 298 states have call successors, (298), 36 states have call predecessors, (298), 36 states have return successors, (298), 284 states have call predecessors, (298), 298 states have call successors, (298) [2024-10-24 07:08:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1527 transitions. [2024-10-24 07:08:04,006 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1527 transitions. Word has length 429 [2024-10-24 07:08:04,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:08:04,006 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1527 transitions. [2024-10-24 07:08:04,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:08:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1527 transitions. [2024-10-24 07:08:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-10-24 07:08:04,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:08:04,011 INFO L215 NwaCegarLoop]: trace histogram [68, 68, 68, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:08:04,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 07:08:04,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 07:08:04,211 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:08:04,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:08:04,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1885669902, now seen corresponding path program 1 times [2024-10-24 07:08:04,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:08:04,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442447378] [2024-10-24 07:08:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:08:04,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:08:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:08:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:08:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:08:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:08:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:08:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:08:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:08:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:08:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:08:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:08:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:08:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:08:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:08:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:08:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:08:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:08:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:08:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:08:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:08:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:08:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:08:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:08:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:08:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:08:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:08:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:08:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:08:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:08:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:08:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:08:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:08:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:08:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:08:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 07:08:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 07:08:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:08:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 07:08:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:08:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:08:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 07:08:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-24 07:08:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 07:08:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 07:08:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 07:08:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 07:08:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 07:08:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 07:08:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-24 07:08:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-24 07:08:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-24 07:08:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-24 07:08:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-24 07:08:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-24 07:08:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-24 07:08:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-24 07:08:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-24 07:08:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-24 07:08:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-24 07:08:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-24 07:08:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 07:08:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-24 07:08:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-24 07:08:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 07:08:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-24 07:08:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-10-24 07:08:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-24 07:08:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-10-24 07:08:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-24 07:08:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2024-10-24 07:08:10,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:08:10,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442447378] [2024-10-24 07:08:10,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442447378] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 07:08:10,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132118358] [2024-10-24 07:08:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:08:10,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 07:08:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:08:10,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 07:08:10,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 07:08:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:08:10,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 07:08:10,588 INFO L278 TraceCheckSpWp]: Computing forward predicates...