./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 f21456a779194f7e287a67040f0a4e45ea1ac95220541a0a40827a16bb32aae0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:11:27,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:11:27,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:11:27,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:11:27,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:11:27,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:11:27,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:11:27,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:11:27,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:11:27,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:11:27,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:11:27,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:11:27,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:11:27,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:11:27,830 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:11:27,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:11:27,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:11:27,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:11:27,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:11:27,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:11:27,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:11:27,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:11:27,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:11:27,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:11:27,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:11:27,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:11:27,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:11:27,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:11:27,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:11:27,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:11:27,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:11:27,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:11:27,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:11:27,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:11:27,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:11:27,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:11:27,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:11:27,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:11:27,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:11:27,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:11:27,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:11:27,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:11:27,838 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21456a779194f7e287a67040f0a4e45ea1ac95220541a0a40827a16bb32aae0 [2024-10-11 09:11:28,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:11:28,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:11:28,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:11:28,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:11:28,077 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:11:28,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-10-11 09:11:29,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:11:29,591 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:11:29,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-10-11 09:11:29,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7e59d923c/c9bfbfcafa164c849baf2656e2c1355d/FLAG5b0c44074 [2024-10-11 09:11:29,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7e59d923c/c9bfbfcafa164c849baf2656e2c1355d [2024-10-11 09:11:29,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:11:29,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:11:29,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:11:29,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:11:29,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:11:29,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:29" (1/1) ... [2024-10-11 09:11:29,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a67e1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:29, skipping insertion in model container [2024-10-11 09:11:29,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:29" (1/1) ... [2024-10-11 09:11:29,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:11:29,798 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i[919,932] [2024-10-11 09:11:29,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:11:29,947 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:11:29,958 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i[919,932] [2024-10-11 09:11:29,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:11:30,017 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:11:30,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30 WrapperNode [2024-10-11 09:11:30,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:11:30,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:11:30,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:11:30,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:11:30,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,084 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-10-11 09:11:30,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:11:30,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:11:30,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:11:30,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:11:30,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,134 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]. [2024-10-11 09:11:30,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:11:30,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:11:30,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:11:30,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:11:30,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (1/1) ... [2024-10-11 09:11:30,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:11:30,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:11:30,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:11:30,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:11:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:11:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:11:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:11:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:11:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:11:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:11:30,343 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:11:30,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:11:30,832 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 09:11:30,832 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:11:30,870 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:11:30,872 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:11:30,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:30 BoogieIcfgContainer [2024-10-11 09:11:30,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:11:30,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:11:30,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:11:30,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:11:30,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:11:29" (1/3) ... [2024-10-11 09:11:30,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fb6e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:30, skipping insertion in model container [2024-10-11 09:11:30,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:30" (2/3) ... [2024-10-11 09:11:30,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fb6e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:30, skipping insertion in model container [2024-10-11 09:11:30,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:30" (3/3) ... [2024-10-11 09:11:30,882 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-10-11 09:11:30,899 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:11:30,899 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:11:30,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:11:30,976 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;@52dcf23d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:11:30,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:11:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 09:11:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 09:11:31,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:31,007 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:31,008 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:31,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:31,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1325968498, now seen corresponding path program 1 times [2024-10-11 09:11:31,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:31,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547660099] [2024-10-11 09:11:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:31,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:31,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:31,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547660099] [2024-10-11 09:11:31,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547660099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:31,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:31,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:11:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228707820] [2024-10-11 09:11:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:31,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:11:31,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:31,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:11:31,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:11:31,741 INFO L87 Difference]: Start difference. First operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:11:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:31,827 INFO L93 Difference]: Finished difference Result 253 states and 466 transitions. [2024-10-11 09:11:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:11:31,829 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 302 [2024-10-11 09:11:31,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:31,836 INFO L225 Difference]: With dead ends: 253 [2024-10-11 09:11:31,836 INFO L226 Difference]: Without dead ends: 126 [2024-10-11 09:11:31,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:11:31,843 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 [2024-10-11 09:11:31,844 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] [2024-10-11 09:11:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-11 09:11:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-11 09:11:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 09:11:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 204 transitions. [2024-10-11 09:11:31,898 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 204 transitions. Word has length 302 [2024-10-11 09:11:31,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:31,899 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 204 transitions. [2024-10-11 09:11:31,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:11:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2024-10-11 09:11:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 09:11:31,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:31,907 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:31,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:11:31,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:31,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:31,908 INFO L85 PathProgramCache]: Analyzing trace with hash 503059670, now seen corresponding path program 1 times [2024-10-11 09:11:31,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:31,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201752572] [2024-10-11 09:11:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:31,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:32,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:32,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201752572] [2024-10-11 09:11:32,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201752572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:32,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:11:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271005884] [2024-10-11 09:11:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:32,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:11:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:32,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:11:32,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:11:32,859 INFO L87 Difference]: Start difference. First operand 126 states and 204 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, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:33,175 INFO L93 Difference]: Finished difference Result 377 states and 612 transitions. [2024-10-11 09:11:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:11:33,176 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, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 302 [2024-10-11 09:11:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:33,184 INFO L225 Difference]: With dead ends: 377 [2024-10-11 09:11:33,186 INFO L226 Difference]: Without dead ends: 252 [2024-10-11 09:11:33,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:11:33,190 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 111 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:33,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 484 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:11:33,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-11 09:11:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-10-11 09:11:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 147 states have (on average 1.4081632653061225) internal successors, (207), 147 states have internal predecessors, (207), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:11:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 407 transitions. [2024-10-11 09:11:33,269 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 407 transitions. Word has length 302 [2024-10-11 09:11:33,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:33,270 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 407 transitions. [2024-10-11 09:11:33,270 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, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 407 transitions. [2024-10-11 09:11:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:11:33,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:33,278 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:33,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:11:33,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:33,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash 417705996, now seen corresponding path program 1 times [2024-10-11 09:11:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:33,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317904602] [2024-10-11 09:11:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:34,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:34,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317904602] [2024-10-11 09:11:34,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317904602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:34,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:34,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:11:34,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752146796] [2024-10-11 09:11:34,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:34,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:11:34,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:34,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:11:34,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:11:34,416 INFO L87 Difference]: Start difference. First operand 250 states and 407 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:11:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:35,298 INFO L93 Difference]: Finished difference Result 747 states and 1185 transitions. [2024-10-11 09:11:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 09:11:35,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 303 [2024-10-11 09:11:35,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:35,307 INFO L225 Difference]: With dead ends: 747 [2024-10-11 09:11:35,307 INFO L226 Difference]: Without dead ends: 498 [2024-10-11 09:11:35,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:11:35,310 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 396 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:35,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 395 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:11:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-10-11 09:11:35,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 272. [2024-10-11 09:11:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 165 states have (on average 1.387878787878788) internal successors, (229), 165 states have internal predecessors, (229), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:11:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 429 transitions. [2024-10-11 09:11:35,397 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 429 transitions. Word has length 303 [2024-10-11 09:11:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:35,398 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 429 transitions. [2024-10-11 09:11:35,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:11:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 429 transitions. [2024-10-11 09:11:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:11:35,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:35,401 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:35,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:11:35,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:35,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:35,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1097764366, now seen corresponding path program 1 times [2024-10-11 09:11:35,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:35,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328848416] [2024-10-11 09:11:35,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:35,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:35,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328848416] [2024-10-11 09:11:35,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328848416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:35,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:35,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:11:35,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899580039] [2024-10-11 09:11:35,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:35,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:11:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:35,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:11:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:11:35,840 INFO L87 Difference]: Start difference. First operand 272 states and 429 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:35,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:35,964 INFO L93 Difference]: Finished difference Result 652 states and 1031 transitions. [2024-10-11 09:11:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:11:35,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 09:11:35,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:35,968 INFO L225 Difference]: With dead ends: 652 [2024-10-11 09:11:35,968 INFO L226 Difference]: Without dead ends: 381 [2024-10-11 09:11:35,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:11:35,970 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 75 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:35,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 592 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:11:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-11 09:11:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2024-10-11 09:11:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 260 states have (on average 1.4615384615384615) internal successors, (380), 262 states have internal predecessors, (380), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 09:11:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 596 transitions. [2024-10-11 09:11:36,042 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 596 transitions. Word has length 303 [2024-10-11 09:11:36,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:36,042 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 596 transitions. [2024-10-11 09:11:36,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 596 transitions. [2024-10-11 09:11:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:11:36,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:36,046 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:36,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:11:36,046 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:36,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:36,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1508259188, now seen corresponding path program 1 times [2024-10-11 09:11:36,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:36,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189933394] [2024-10-11 09:11:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:46,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:46,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189933394] [2024-10-11 09:11:46,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189933394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:46,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:46,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:11:46,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373867982] [2024-10-11 09:11:46,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:46,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:11:46,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:46,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:11:46,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:11:46,443 INFO L87 Difference]: Start difference. First operand 377 states and 596 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:47,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:47,327 INFO L93 Difference]: Finished difference Result 997 states and 1584 transitions. [2024-10-11 09:11:47,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:11:47,329 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 09:11:47,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:47,334 INFO L225 Difference]: With dead ends: 997 [2024-10-11 09:11:47,334 INFO L226 Difference]: Without dead ends: 621 [2024-10-11 09:11:47,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:11:47,336 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 320 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:47,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 1009 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:11:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-11 09:11:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 442. [2024-10-11 09:11:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 325 states have (on average 1.5046153846153847) internal successors, (489), 327 states have internal predecessors, (489), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 09:11:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 705 transitions. [2024-10-11 09:11:47,392 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 705 transitions. Word has length 303 [2024-10-11 09:11:47,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:47,394 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 705 transitions. [2024-10-11 09:11:47,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 705 transitions. [2024-10-11 09:11:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:11:47,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:47,398 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:47,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:11:47,399 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:47,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:47,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1969059658, now seen corresponding path program 1 times [2024-10-11 09:11:47,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:47,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231124306] [2024-10-11 09:11:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:47,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:11:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:11:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:11:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:11:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:11:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:11:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:11:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:11:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:11:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:11:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:11:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:11:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:11:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:11:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:11:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:11:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:11:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:11:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:11:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:11:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:11:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:11:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:11:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:11:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:11:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:11:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:11:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:11:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:11:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:11:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:11:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:11:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:11:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:11:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:11:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:11:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:11:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:11:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:11:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:11:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:11:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:11:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:11:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:11:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:11:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:11:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:11:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:11:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:11:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:11:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:11:58,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:58,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231124306] [2024-10-11 09:11:58,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231124306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:11:58,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:11:58,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:11:58,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257797189] [2024-10-11 09:11:58,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:11:58,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:11:58,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:58,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:11:58,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:11:58,927 INFO L87 Difference]: Start difference. First operand 442 states and 705 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:59,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:59,900 INFO L93 Difference]: Finished difference Result 1044 states and 1668 transitions. [2024-10-11 09:11:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 09:11:59,901 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 09:11:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:59,904 INFO L225 Difference]: With dead ends: 1044 [2024-10-11 09:11:59,904 INFO L226 Difference]: Without dead ends: 603 [2024-10-11 09:11:59,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:11:59,907 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 284 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:59,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1004 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:11:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-11 09:11:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 442. [2024-10-11 09:11:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 325 states have (on average 1.5046153846153847) internal successors, (489), 327 states have internal predecessors, (489), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 09:11:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 705 transitions. [2024-10-11 09:11:59,950 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 705 transitions. Word has length 303 [2024-10-11 09:11:59,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:59,951 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 705 transitions. [2024-10-11 09:11:59,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:11:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 705 transitions. [2024-10-11 09:11:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:11:59,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:59,954 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:11:59,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:11:59,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:59,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1085557362, now seen corresponding path program 1 times [2024-10-11 09:11:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:59,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128119727] [2024-10-11 09:11:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:01,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:01,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128119727] [2024-10-11 09:12:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128119727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:01,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:01,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:12:01,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49074307] [2024-10-11 09:12:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:01,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:12:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:01,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:12:01,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:12:01,860 INFO L87 Difference]: Start difference. First operand 442 states and 705 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:12:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:02,899 INFO L93 Difference]: Finished difference Result 1518 states and 2454 transitions. [2024-10-11 09:12:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:12:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 303 [2024-10-11 09:12:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:02,905 INFO L225 Difference]: With dead ends: 1518 [2024-10-11 09:12:02,905 INFO L226 Difference]: Without dead ends: 1077 [2024-10-11 09:12:02,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:12:02,907 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 653 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:02,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1033 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:12:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-10-11 09:12:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 540. [2024-10-11 09:12:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 370 states have (on average 1.454054054054054) internal successors, (538), 372 states have internal predecessors, (538), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 854 transitions. [2024-10-11 09:12:02,973 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 854 transitions. Word has length 303 [2024-10-11 09:12:02,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:02,974 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 854 transitions. [2024-10-11 09:12:02,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 09:12:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 854 transitions. [2024-10-11 09:12:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:12:02,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:02,977 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:02,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 09:12:02,977 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:02,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:02,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1403971600, now seen corresponding path program 1 times [2024-10-11 09:12:02,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:02,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453637168] [2024-10-11 09:12:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:03,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:03,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453637168] [2024-10-11 09:12:03,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453637168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:03,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:03,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:12:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557582944] [2024-10-11 09:12:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:03,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:12:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:12:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:12:03,655 INFO L87 Difference]: Start difference. First operand 540 states and 854 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:04,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:04,307 INFO L93 Difference]: Finished difference Result 1180 states and 1890 transitions. [2024-10-11 09:12:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 09:12:04,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 09:12:04,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:04,312 INFO L225 Difference]: With dead ends: 1180 [2024-10-11 09:12:04,312 INFO L226 Difference]: Without dead ends: 739 [2024-10-11 09:12:04,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:12:04,314 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 180 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:04,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 849 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:12:04,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-11 09:12:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 540. [2024-10-11 09:12:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 370 states have (on average 1.454054054054054) internal successors, (538), 372 states have internal predecessors, (538), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 854 transitions. [2024-10-11 09:12:04,377 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 854 transitions. Word has length 303 [2024-10-11 09:12:04,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:04,378 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 854 transitions. [2024-10-11 09:12:04,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 854 transitions. [2024-10-11 09:12:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:04,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:04,380 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:04,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 09:12:04,380 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:04,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:04,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1276819837, now seen corresponding path program 1 times [2024-10-11 09:12:04,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:04,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163281231] [2024-10-11 09:12:04,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:04,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:11,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:11,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163281231] [2024-10-11 09:12:11,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163281231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:11,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:11,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:12:11,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722428598] [2024-10-11 09:12:11,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:11,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:12:11,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:11,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:12:11,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:12:11,661 INFO L87 Difference]: Start difference. First operand 540 states and 854 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:12,411 INFO L93 Difference]: Finished difference Result 1529 states and 2465 transitions. [2024-10-11 09:12:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:12:12,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:12,418 INFO L225 Difference]: With dead ends: 1529 [2024-10-11 09:12:12,418 INFO L226 Difference]: Without dead ends: 1088 [2024-10-11 09:12:12,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:12:12,420 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 484 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:12,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1096 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:12:12,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-10-11 09:12:12,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 614. [2024-10-11 09:12:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 444 states have (on average 1.4932432432432432) internal successors, (663), 446 states have internal predecessors, (663), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 979 transitions. [2024-10-11 09:12:12,490 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 979 transitions. Word has length 304 [2024-10-11 09:12:12,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:12,491 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 979 transitions. [2024-10-11 09:12:12,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 979 transitions. [2024-10-11 09:12:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:12,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:12,492 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:12,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 09:12:12,493 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:12,493 INFO L85 PathProgramCache]: Analyzing trace with hash 412123905, now seen corresponding path program 1 times [2024-10-11 09:12:12,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:12,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013871920] [2024-10-11 09:12:12,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:12,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:18,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013871920] [2024-10-11 09:12:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013871920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:18,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:18,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 09:12:18,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185599572] [2024-10-11 09:12:18,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:18,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 09:12:18,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:18,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 09:12:18,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:12:18,299 INFO L87 Difference]: Start difference. First operand 614 states and 979 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:19,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:19,893 INFO L93 Difference]: Finished difference Result 1905 states and 3097 transitions. [2024-10-11 09:12:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 09:12:19,894 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:19,902 INFO L225 Difference]: With dead ends: 1905 [2024-10-11 09:12:19,903 INFO L226 Difference]: Without dead ends: 1393 [2024-10-11 09:12:19,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:12:19,905 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1010 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:19,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1161 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:12:19,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-10-11 09:12:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 618. [2024-10-11 09:12:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 448 states have (on average 1.4933035714285714) internal successors, (669), 450 states have internal predecessors, (669), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 985 transitions. [2024-10-11 09:12:19,974 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 985 transitions. Word has length 304 [2024-10-11 09:12:19,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:19,975 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 985 transitions. [2024-10-11 09:12:19,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 985 transitions. [2024-10-11 09:12:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:19,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:19,977 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:19,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 09:12:19,977 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:19,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:19,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2094468287, now seen corresponding path program 1 times [2024-10-11 09:12:19,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:19,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584060947] [2024-10-11 09:12:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:19,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:24,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584060947] [2024-10-11 09:12:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584060947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:24,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:24,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 09:12:24,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122181036] [2024-10-11 09:12:24,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:24,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:12:24,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:24,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:12:24,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:12:24,053 INFO L87 Difference]: Start difference. First operand 618 states and 985 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:25,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:25,308 INFO L93 Difference]: Finished difference Result 1571 states and 2547 transitions. [2024-10-11 09:12:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 09:12:25,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:25,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:25,313 INFO L225 Difference]: With dead ends: 1571 [2024-10-11 09:12:25,314 INFO L226 Difference]: Without dead ends: 1059 [2024-10-11 09:12:25,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-10-11 09:12:25,316 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 503 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:25,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1076 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:12:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-10-11 09:12:25,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 619. [2024-10-11 09:12:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 449 states have (on average 1.4944320712694878) internal successors, (671), 451 states have internal predecessors, (671), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 987 transitions. [2024-10-11 09:12:25,389 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 987 transitions. Word has length 304 [2024-10-11 09:12:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:25,390 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 987 transitions. [2024-10-11 09:12:25,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 987 transitions. [2024-10-11 09:12:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:25,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:25,392 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:25,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 09:12:25,392 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:25,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash -405524545, now seen corresponding path program 1 times [2024-10-11 09:12:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:25,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578530183] [2024-10-11 09:12:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:25,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:28,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:28,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578530183] [2024-10-11 09:12:28,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578530183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:28,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:28,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:12:28,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172640197] [2024-10-11 09:12:28,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:28,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:12:28,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:12:28,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:12:28,889 INFO L87 Difference]: Start difference. First operand 619 states and 987 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:29,416 INFO L93 Difference]: Finished difference Result 1516 states and 2448 transitions. [2024-10-11 09:12:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:12:29,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:29,422 INFO L225 Difference]: With dead ends: 1516 [2024-10-11 09:12:29,422 INFO L226 Difference]: Without dead ends: 1004 [2024-10-11 09:12:29,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:12:29,424 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 503 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:29,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 679 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 09:12:29,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-10-11 09:12:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 617. [2024-10-11 09:12:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 447 states have (on average 1.4966442953020134) internal successors, (669), 449 states have internal predecessors, (669), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 985 transitions. [2024-10-11 09:12:29,503 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 985 transitions. Word has length 304 [2024-10-11 09:12:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:29,504 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 985 transitions. [2024-10-11 09:12:29,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 985 transitions. [2024-10-11 09:12:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:29,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:29,506 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:29,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 09:12:29,506 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:29,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1410833343, now seen corresponding path program 1 times [2024-10-11 09:12:29,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281743119] [2024-10-11 09:12:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:29,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:36,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:36,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281743119] [2024-10-11 09:12:36,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281743119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:36,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:36,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 09:12:36,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037941335] [2024-10-11 09:12:36,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:36,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:12:36,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:36,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:12:36,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:12:36,677 INFO L87 Difference]: Start difference. First operand 617 states and 985 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:37,612 INFO L93 Difference]: Finished difference Result 1553 states and 2505 transitions. [2024-10-11 09:12:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:12:37,613 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:37,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:37,618 INFO L225 Difference]: With dead ends: 1553 [2024-10-11 09:12:37,619 INFO L226 Difference]: Without dead ends: 1039 [2024-10-11 09:12:37,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-11 09:12:37,621 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 548 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:37,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1076 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 09:12:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-10-11 09:12:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 619. [2024-10-11 09:12:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 449 states have (on average 1.4988864142538976) internal successors, (673), 451 states have internal predecessors, (673), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 09:12:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 989 transitions. [2024-10-11 09:12:37,695 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 989 transitions. Word has length 304 [2024-10-11 09:12:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:37,696 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 989 transitions. [2024-10-11 09:12:37,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 989 transitions. [2024-10-11 09:12:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:37,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:37,698 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:37,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 09:12:37,698 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:37,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash 278110399, now seen corresponding path program 1 times [2024-10-11 09:12:37,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:37,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633717] [2024-10-11 09:12:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:37,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:37,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633717] [2024-10-11 09:12:37,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:37,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:37,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:12:37,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887460408] [2024-10-11 09:12:37,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:37,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:12:37,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:12:37,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:12:37,945 INFO L87 Difference]: Start difference. First operand 619 states and 989 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:38,066 INFO L93 Difference]: Finished difference Result 1271 states and 2040 transitions. [2024-10-11 09:12:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:12:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:38,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:38,071 INFO L225 Difference]: With dead ends: 1271 [2024-10-11 09:12:38,071 INFO L226 Difference]: Without dead ends: 757 [2024-10-11 09:12:38,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:12:38,073 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 127 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:38,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 634 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:12:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-10-11 09:12:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 503. [2024-10-11 09:12:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 340 states have (on average 1.4205882352941177) internal successors, (483), 340 states have internal predecessors, (483), 150 states have call successors, (150), 12 states have call predecessors, (150), 12 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-11 09:12:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 783 transitions. [2024-10-11 09:12:38,143 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 783 transitions. Word has length 304 [2024-10-11 09:12:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:38,143 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 783 transitions. [2024-10-11 09:12:38,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:38,144 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 783 transitions. [2024-10-11 09:12:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:12:38,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:38,148 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:38,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 09:12:38,148 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:38,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2066485503, now seen corresponding path program 1 times [2024-10-11 09:12:38,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:38,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646875221] [2024-10-11 09:12:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:12:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:12:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:12:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:12:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:12:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:12:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:12:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:12:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:12:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:12:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:12:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:12:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:12:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:12:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:12:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:12:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:12:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:12:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:12:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:12:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:12:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:12:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:12:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 09:12:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:12:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:12:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 09:12:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 09:12:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 09:12:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 09:12:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646875221] [2024-10-11 09:12:43,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646875221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:43,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:43,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:12:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885837862] [2024-10-11 09:12:43,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:43,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:12:43,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:12:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:12:43,598 INFO L87 Difference]: Start difference. First operand 503 states and 783 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:44,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:44,254 INFO L93 Difference]: Finished difference Result 1111 states and 1755 transitions. [2024-10-11 09:12:44,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:12:44,255 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 09:12:44,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:44,259 INFO L225 Difference]: With dead ends: 1111 [2024-10-11 09:12:44,259 INFO L226 Difference]: Without dead ends: 717 [2024-10-11 09:12:44,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:12:44,260 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 266 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:44,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 847 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 09:12:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-10-11 09:12:44,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 505. [2024-10-11 09:12:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 342 states have (on average 1.4210526315789473) internal successors, (486), 342 states have internal predecessors, (486), 150 states have call successors, (150), 12 states have call predecessors, (150), 12 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-11 09:12:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 786 transitions. [2024-10-11 09:12:44,329 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 786 transitions. Word has length 304 [2024-10-11 09:12:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:44,330 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 786 transitions. [2024-10-11 09:12:44,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 09:12:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 786 transitions. [2024-10-11 09:12:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-11 09:12:44,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:44,332 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:44,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 09:12:44,332 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:44,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1699300977, now seen corresponding path program 1 times [2024-10-11 09:12:44,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:44,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806449086] [2024-10-11 09:12:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:44,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat