./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_fillercodesize_ps-cn-100_file-86.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_fillercodesize_ps-cn-100_file-86.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 4494aec82e3354bd32c6c13af5c36deffc5336d06a7a21928d54585f4657c423 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:59:06,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:59:06,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:59:06,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:59:06,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:59:06,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:59:06,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:59:06,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:59:06,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:59:06,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:59:06,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:59:06,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:59:06,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:59:06,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:59:06,617 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:59:06,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:59:06,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:59:06,618 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:59:06,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:59:06,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:59:06,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:59:06,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:59:06,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:59:06,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:59:06,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:59:06,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:59:06,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:59:06,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:59:06,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:59:06,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:59:06,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:59:06,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:59:06,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:59:06,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:59:06,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:59:06,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:59:06,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:59:06,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:59:06,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:59:06,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:59:06,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:59:06,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:59:06,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4494aec82e3354bd32c6c13af5c36deffc5336d06a7a21928d54585f4657c423 [2024-10-24 05:59:06,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:59:06,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:59:06,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:59:06,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:59:06,883 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:59:06,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-86.i [2024-10-24 05:59:08,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:59:08,453 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:59:08,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-86.i [2024-10-24 05:59:08,462 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb993ae51/43231ac4840f478fba8ef9ede7751f14/FLAGf9692bdd0 [2024-10-24 05:59:08,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb993ae51/43231ac4840f478fba8ef9ede7751f14 [2024-10-24 05:59:08,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:59:08,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:59:08,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:59:08,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:59:08,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:59:08,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:59:08" (1/1) ... [2024-10-24 05:59:08,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b402cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:08, skipping insertion in model container [2024-10-24 05:59:08,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:59:08" (1/1) ... [2024-10-24 05:59:08,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:59:09,000 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_fillercodesize_ps-cn-100_file-86.i[916,929] [2024-10-24 05:59:09,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:59:09,092 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:59:09,102 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_fillercodesize_ps-cn-100_file-86.i[916,929] [2024-10-24 05:59:09,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:59:09,176 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:59:09,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09 WrapperNode [2024-10-24 05:59:09,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:59:09,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:59:09,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:59:09,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:59:09,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,242 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 309 [2024-10-24 05:59:09,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:59:09,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:59:09,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:59:09,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:59:09,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,301 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 05:59:09,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:59:09,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:59:09,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:59:09,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:59:09,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (1/1) ... [2024-10-24 05:59:09,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:59:09,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:59:09,388 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 05:59:09,391 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 05:59:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:59:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:59:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:59:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:59:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:59:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:59:09,528 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:59:09,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:59:10,019 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 05:59:10,020 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:59:10,060 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:59:10,061 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:59:10,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:59:10 BoogieIcfgContainer [2024-10-24 05:59:10,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:59:10,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:59:10,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:59:10,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:59:10,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:59:08" (1/3) ... [2024-10-24 05:59:10,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770b9965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:59:10, skipping insertion in model container [2024-10-24 05:59:10,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:59:09" (2/3) ... [2024-10-24 05:59:10,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770b9965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:59:10, skipping insertion in model container [2024-10-24 05:59:10,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:59:10" (3/3) ... [2024-10-24 05:59:10,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-86.i [2024-10-24 05:59:10,086 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:59:10,086 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:59:10,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:59:10,160 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;@682361a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:59:10,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:59:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 83 states have internal predecessors, (126), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-24 05:59:10,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 05:59:10,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:10,180 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:10,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:10,185 INFO L85 PathProgramCache]: Analyzing trace with hash -539728337, now seen corresponding path program 1 times [2024-10-24 05:59:10,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:10,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746034991] [2024-10-24 05:59:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:10,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:10,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:10,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746034991] [2024-10-24 05:59:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746034991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:10,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:59:10,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559623765] [2024-10-24 05:59:10,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:10,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:59:10,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:10,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:59:10,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:59:10,915 INFO L87 Difference]: Start difference. First operand has 128 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 83 states have internal predecessors, (126), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-24 05:59:10,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:10,973 INFO L93 Difference]: Finished difference Result 253 states and 465 transitions. [2024-10-24 05:59:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:59:10,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 266 [2024-10-24 05:59:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:10,986 INFO L225 Difference]: With dead ends: 253 [2024-10-24 05:59:10,990 INFO L226 Difference]: Without dead ends: 126 [2024-10-24 05:59:10,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 05:59:10,997 INFO L432 NwaCegarLoop]: 201 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, 201 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 05:59:10,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:59:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-24 05:59:11,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-24 05:59:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-24 05:59:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 204 transitions. [2024-10-24 05:59:11,055 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 204 transitions. Word has length 266 [2024-10-24 05:59:11,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:11,055 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 204 transitions. [2024-10-24 05:59:11,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-24 05:59:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2024-10-24 05:59:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 05:59:11,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:11,060 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:11,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:59:11,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:11,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1768888485, now seen corresponding path program 1 times [2024-10-24 05:59:11,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:11,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881727875] [2024-10-24 05:59:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:11,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:11,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:11,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881727875] [2024-10-24 05:59:11,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881727875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:11,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:11,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 05:59:11,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152107598] [2024-10-24 05:59:11,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:11,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 05:59:11,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:11,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 05:59:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:59:11,786 INFO L87 Difference]: Start difference. First operand 126 states and 204 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:12,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:12,128 INFO L93 Difference]: Finished difference Result 377 states and 611 transitions. [2024-10-24 05:59:12,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 05:59:12,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 266 [2024-10-24 05:59:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:12,133 INFO L225 Difference]: With dead ends: 377 [2024-10-24 05:59:12,133 INFO L226 Difference]: Without dead ends: 252 [2024-10-24 05:59:12,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 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 05:59:12,135 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 188 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:12,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 702 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 05:59:12,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-24 05:59:12,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2024-10-24 05:59:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 144 states have (on average 1.4375) internal successors, (207), 144 states have internal predecessors, (207), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-24 05:59:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 379 transitions. [2024-10-24 05:59:12,179 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 379 transitions. Word has length 266 [2024-10-24 05:59:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:12,180 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 379 transitions. [2024-10-24 05:59:12,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:12,180 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 379 transitions. [2024-10-24 05:59:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 05:59:12,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:12,186 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:12,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:59:12,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:12,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1182082471, now seen corresponding path program 1 times [2024-10-24 05:59:12,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:12,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80814106] [2024-10-24 05:59:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:16,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80814106] [2024-10-24 05:59:16,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80814106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:16,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:16,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 05:59:16,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971339193] [2024-10-24 05:59:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:16,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:59:16,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:16,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:59:16,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:59:16,714 INFO L87 Difference]: Start difference. First operand 233 states and 379 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:17,602 INFO L93 Difference]: Finished difference Result 429 states and 683 transitions. [2024-10-24 05:59:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:59:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 266 [2024-10-24 05:59:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:17,606 INFO L225 Difference]: With dead ends: 429 [2024-10-24 05:59:17,608 INFO L226 Difference]: Without dead ends: 304 [2024-10-24 05:59:17,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-24 05:59:17,611 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 327 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:17,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1205 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 05:59:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-24 05:59:17,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 249. [2024-10-24 05:59:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 160 states have (on average 1.43125) internal successors, (229), 160 states have internal predecessors, (229), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-24 05:59:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 401 transitions. [2024-10-24 05:59:17,653 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 401 transitions. Word has length 266 [2024-10-24 05:59:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:17,657 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 401 transitions. [2024-10-24 05:59:17,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 401 transitions. [2024-10-24 05:59:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 05:59:17,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:17,661 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:17,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 05:59:17,661 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:17,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash 789055461, now seen corresponding path program 1 times [2024-10-24 05:59:17,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71602469] [2024-10-24 05:59:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:17,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:17,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71602469] [2024-10-24 05:59:17,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71602469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:17,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:17,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 05:59:17,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852392550] [2024-10-24 05:59:17,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:17,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 05:59:17,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:17,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 05:59:17,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 05:59:17,866 INFO L87 Difference]: Start difference. First operand 249 states and 401 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:17,929 INFO L93 Difference]: Finished difference Result 498 states and 805 transitions. [2024-10-24 05:59:17,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 05:59:17,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 266 [2024-10-24 05:59:17,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:17,933 INFO L225 Difference]: With dead ends: 498 [2024-10-24 05:59:17,933 INFO L226 Difference]: Without dead ends: 373 [2024-10-24 05:59:17,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 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 05:59:17,935 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 196 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:17,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 405 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:59:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-24 05:59:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2024-10-24 05:59:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 238 states have (on average 1.4285714285714286) internal successors, (340), 238 states have internal predecessors, (340), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 05:59:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 598 transitions. [2024-10-24 05:59:17,966 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 598 transitions. Word has length 266 [2024-10-24 05:59:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:17,967 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 598 transitions. [2024-10-24 05:59:17,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 598 transitions. [2024-10-24 05:59:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 05:59:17,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:17,970 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:17,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 05:59:17,971 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:17,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:17,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2011770004, now seen corresponding path program 1 times [2024-10-24 05:59:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:17,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953358179] [2024-10-24 05:59:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:28,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:29,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:29,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:29,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953358179] [2024-10-24 05:59:29,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953358179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:29,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:29,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 05:59:29,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193398814] [2024-10-24 05:59:29,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:29,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 05:59:29,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:29,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 05:59:29,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:59:29,016 INFO L87 Difference]: Start difference. First operand 371 states and 598 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:34,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:34,063 INFO L93 Difference]: Finished difference Result 417 states and 652 transitions. [2024-10-24 05:59:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 05:59:34,065 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 267 [2024-10-24 05:59:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:34,068 INFO L225 Difference]: With dead ends: 417 [2024-10-24 05:59:34,068 INFO L226 Difference]: Without dead ends: 415 [2024-10-24 05:59:34,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-10-24 05:59:34,070 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 435 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:34,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1141 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 05:59:34,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-24 05:59:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 372. [2024-10-24 05:59:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 239 states have (on average 1.4267782426778242) internal successors, (341), 239 states have internal predecessors, (341), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 05:59:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 599 transitions. [2024-10-24 05:59:34,103 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 599 transitions. Word has length 267 [2024-10-24 05:59:34,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:34,104 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 599 transitions. [2024-10-24 05:59:34,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 599 transitions. [2024-10-24 05:59:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 05:59:34,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:34,106 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:34,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 05:59:34,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash -356045806, now seen corresponding path program 1 times [2024-10-24 05:59:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628820663] [2024-10-24 05:59:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:34,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:34,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628820663] [2024-10-24 05:59:34,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628820663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:34,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:34,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 05:59:34,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935408175] [2024-10-24 05:59:34,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:34,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:59:34,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:34,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:59:34,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:59:34,388 INFO L87 Difference]: Start difference. First operand 372 states and 599 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:34,428 INFO L93 Difference]: Finished difference Result 630 states and 1014 transitions. [2024-10-24 05:59:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 05:59:34,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 267 [2024-10-24 05:59:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:34,433 INFO L225 Difference]: With dead ends: 630 [2024-10-24 05:59:34,433 INFO L226 Difference]: Without dead ends: 380 [2024-10-24 05:59:34,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:59:34,436 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 6 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:34,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 397 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:59:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-24 05:59:34,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2024-10-24 05:59:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 239 states have internal predecessors, (338), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 05:59:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 596 transitions. [2024-10-24 05:59:34,471 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 596 transitions. Word has length 267 [2024-10-24 05:59:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:34,471 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 596 transitions. [2024-10-24 05:59:34,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 596 transitions. [2024-10-24 05:59:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 05:59:34,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:34,475 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:34,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 05:59:34,475 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:34,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:34,476 INFO L85 PathProgramCache]: Analyzing trace with hash -298787504, now seen corresponding path program 1 times [2024-10-24 05:59:34,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:34,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697417542] [2024-10-24 05:59:34,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:34,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:39,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:39,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697417542] [2024-10-24 05:59:39,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697417542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:39,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:39,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 05:59:39,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751477123] [2024-10-24 05:59:39,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:39,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 05:59:39,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:39,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 05:59:39,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-24 05:59:39,337 INFO L87 Difference]: Start difference. First operand 372 states and 596 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:42,464 INFO L93 Difference]: Finished difference Result 421 states and 651 transitions. [2024-10-24 05:59:42,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 05:59:42,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 267 [2024-10-24 05:59:42,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:42,467 INFO L225 Difference]: With dead ends: 421 [2024-10-24 05:59:42,467 INFO L226 Difference]: Without dead ends: 419 [2024-10-24 05:59:42,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2024-10-24 05:59:42,468 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 322 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:42,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1178 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 05:59:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-24 05:59:42,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 372. [2024-10-24 05:59:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 239 states have internal predecessors, (338), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 05:59:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 596 transitions. [2024-10-24 05:59:42,491 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 596 transitions. Word has length 267 [2024-10-24 05:59:42,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:42,492 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 596 transitions. [2024-10-24 05:59:42,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 596 transitions. [2024-10-24 05:59:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 05:59:42,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:42,493 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:42,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 05:59:42,494 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:42,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:42,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1975682029, now seen corresponding path program 1 times [2024-10-24 05:59:42,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:42,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829626152] [2024-10-24 05:59:42,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:42,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:49,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:49,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829626152] [2024-10-24 05:59:49,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829626152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:49,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:49,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 05:59:49,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731127631] [2024-10-24 05:59:49,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:49,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 05:59:49,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:49,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 05:59:49,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:59:49,319 INFO L87 Difference]: Start difference. First operand 372 states and 596 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:53,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:59:53,860 INFO L93 Difference]: Finished difference Result 436 states and 669 transitions. [2024-10-24 05:59:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 05:59:53,861 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 267 [2024-10-24 05:59:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:59:53,865 INFO L225 Difference]: With dead ends: 436 [2024-10-24 05:59:53,865 INFO L226 Difference]: Without dead ends: 434 [2024-10-24 05:59:53,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2024-10-24 05:59:53,866 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 317 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 05:59:53,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 1190 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 05:59:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-24 05:59:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 381. [2024-10-24 05:59:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 248 states have (on average 1.4112903225806452) internal successors, (350), 248 states have internal predecessors, (350), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 05:59:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 608 transitions. [2024-10-24 05:59:53,896 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 608 transitions. Word has length 267 [2024-10-24 05:59:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:59:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 608 transitions. [2024-10-24 05:59:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 05:59:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 608 transitions. [2024-10-24 05:59:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 05:59:53,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:59:53,899 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:53,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 05:59:53,899 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:59:53,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:59:53,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1509938641, now seen corresponding path program 1 times [2024-10-24 05:59:53,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:59:53,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709284702] [2024-10-24 05:59:53,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:59:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:59:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:59:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:59:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:59:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:59:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 05:59:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:59:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 05:59:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:59:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 05:59:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:59:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 05:59:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:59:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:59:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:59:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 05:59:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 05:59:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 05:59:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 05:59:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 05:59:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 05:59:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 05:59:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 05:59:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 05:59:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 05:59:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 05:59:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 05:59:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 05:59:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 05:59:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 05:59:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 05:59:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 05:59:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 05:59:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 05:59:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 05:59:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 05:59:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 05:59:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:59:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:59:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 05:59:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 05:59:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 05:59:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 05:59:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 05:59:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:59:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 05:59:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:59:58,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709284702] [2024-10-24 05:59:58,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709284702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:59:58,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:59:58,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 05:59:58,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254103913] [2024-10-24 05:59:58,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:59:58,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 05:59:58,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:59:58,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 05:59:58,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:59:58,123 INFO L87 Difference]: Start difference. First operand 381 states and 608 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 06:00:00,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:00,667 INFO L93 Difference]: Finished difference Result 430 states and 663 transitions. [2024-10-24 06:00:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 06:00:00,668 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 267 [2024-10-24 06:00:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:00,671 INFO L225 Difference]: With dead ends: 430 [2024-10-24 06:00:00,671 INFO L226 Difference]: Without dead ends: 428 [2024-10-24 06:00:00,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=261, Invalid=609, Unknown=0, NotChecked=0, Total=870 [2024-10-24 06:00:00,672 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 324 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:00,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1275 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 06:00:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-24 06:00:00,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 381. [2024-10-24 06:00:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 248 states have (on average 1.4112903225806452) internal successors, (350), 248 states have internal predecessors, (350), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 06:00:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 608 transitions. [2024-10-24 06:00:00,700 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 608 transitions. Word has length 267 [2024-10-24 06:00:00,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:00,700 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 608 transitions. [2024-10-24 06:00:00,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 06:00:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 608 transitions. [2024-10-24 06:00:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-24 06:00:00,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:00,702 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:00,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 06:00:00,703 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:00,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash -674098973, now seen corresponding path program 1 times [2024-10-24 06:00:00,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142533578] [2024-10-24 06:00:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:00,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:00:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:00:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:00:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:00:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:00:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:00:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:00:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:00:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:00:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:00:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 06:00:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:00:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 06:00:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:00:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 06:00:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 06:00:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 06:00:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 06:00:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 06:00:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:00:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:00:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:00:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:00:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:00:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:00:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 06:00:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:00:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 06:00:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142533578] [2024-10-24 06:00:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142533578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:07,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 06:00:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356216728] [2024-10-24 06:00:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 06:00:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 06:00:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-24 06:00:07,515 INFO L87 Difference]: Start difference. First operand 381 states and 608 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-24 06:00:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:13,246 INFO L93 Difference]: Finished difference Result 419 states and 650 transitions. [2024-10-24 06:00:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 06:00:13,247 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 268 [2024-10-24 06:00:13,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:13,250 INFO L225 Difference]: With dead ends: 419 [2024-10-24 06:00:13,251 INFO L226 Difference]: Without dead ends: 417 [2024-10-24 06:00:13,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-10-24 06:00:13,252 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 302 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:13,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1832 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-24 06:00:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-24 06:00:13,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 378. [2024-10-24 06:00:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 245 states have (on average 1.4122448979591837) internal successors, (346), 245 states have internal predecessors, (346), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 06:00:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 604 transitions. [2024-10-24 06:00:13,296 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 604 transitions. Word has length 268 [2024-10-24 06:00:13,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:13,297 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 604 transitions. [2024-10-24 06:00:13,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-10-24 06:00:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 604 transitions. [2024-10-24 06:00:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-24 06:00:13,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:13,299 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:13,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 06:00:13,299 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:13,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1118162114, now seen corresponding path program 1 times [2024-10-24 06:00:13,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:13,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437770215] [2024-10-24 06:00:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:00:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:00:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:00:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:00:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:00:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:00:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:00:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:00:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:00:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:00:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 06:00:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:00:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 06:00:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:00:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 06:00:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 06:00:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 06:00:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 06:00:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 06:00:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:00:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:00:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:00:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:00:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:00:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:00:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 06:00:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:00:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-24 06:00:21,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:21,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437770215] [2024-10-24 06:00:21,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437770215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:21,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:21,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:00:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370831375] [2024-10-24 06:00:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:21,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:00:21,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:21,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:00:21,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:00:21,705 INFO L87 Difference]: Start difference. First operand 378 states and 604 transitions. Second operand has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 06:00:29,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:29,041 INFO L93 Difference]: Finished difference Result 431 states and 664 transitions. [2024-10-24 06:00:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 06:00:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 268 [2024-10-24 06:00:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:29,044 INFO L225 Difference]: With dead ends: 431 [2024-10-24 06:00:29,045 INFO L226 Difference]: Without dead ends: 429 [2024-10-24 06:00:29,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2024-10-24 06:00:29,046 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 398 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:29,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1153 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 06:00:29,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-24 06:00:29,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 383. [2024-10-24 06:00:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 250 states have (on average 1.412) internal successors, (353), 250 states have internal predecessors, (353), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-24 06:00:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2024-10-24 06:00:29,071 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 268 [2024-10-24 06:00:29,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:29,072 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2024-10-24 06:00:29,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-10-24 06:00:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2024-10-24 06:00:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-24 06:00:29,073 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:29,073 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:29,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 06:00:29,074 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:29,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:29,074 INFO L85 PathProgramCache]: Analyzing trace with hash 594760804, now seen corresponding path program 1 times [2024-10-24 06:00:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:29,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021784308] [2024-10-24 06:00:29,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat