./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_codestructure_normal_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:35:24,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:35:25,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:35:25,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:35:25,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:35:25,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:35:25,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:35:25,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:35:25,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:35:25,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:35:25,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:35:25,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:35:25,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:35:25,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:35:25,058 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:35:25,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:35:25,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:35:25,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:35:25,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:35:25,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:35:25,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:35:25,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:35:25,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:35:25,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:35:25,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:35:25,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:35:25,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:35:25,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:35:25,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:35:25,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:35:25,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:35:25,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:35:25,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:35:25,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:35:25,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:35:25,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:35:25,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:35:25,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:35:25,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:35:25,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:35:25,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:35:25,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:35:25,067 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9741d9253f3a1c34b363b1f78a0a60d9588ccafe85a5c037fb56edb8bf20d1f [2024-10-14 07:35:25,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:35:25,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:35:25,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:35:25,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:35:25,353 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:35:25,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2024-10-14 07:35:26,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:35:27,021 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:35:27,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-86.i [2024-10-14 07:35:27,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ceed5bb/30b1747938734aa3a4b4f6e33497efc7/FLAGd1f2a4b29 [2024-10-14 07:35:27,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1ceed5bb/30b1747938734aa3a4b4f6e33497efc7 [2024-10-14 07:35:27,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:35:27,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:35:27,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:35:27,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:35:27,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:35:27,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311a5725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27, skipping insertion in model container [2024-10-14 07:35:27,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:35:27,232 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_codestructure_normal_file-86.i[913,926] [2024-10-14 07:35:27,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:35:27,339 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:35:27,351 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_codestructure_normal_file-86.i[913,926] [2024-10-14 07:35:27,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:35:27,399 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:35:27,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27 WrapperNode [2024-10-14 07:35:27,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:35:27,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:35:27,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:35:27,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:35:27,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,463 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-10-14 07:35:27,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:35:27,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:35:27,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:35:27,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:35:27,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,498 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]. [2024-10-14 07:35:27,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:35:27,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:35:27,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:35:27,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:35:27,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (1/1) ... [2024-10-14 07:35:27,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:35:27,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:35:27,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:35:27,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:35:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:35:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:35:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:35:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:35:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:35:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:35:27,711 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:35:27,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:35:28,019 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-14 07:35:28,019 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:35:28,078 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:35:28,079 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:35:28,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:35:28 BoogieIcfgContainer [2024-10-14 07:35:28,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:35:28,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:35:28,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:35:28,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:35:28,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:35:27" (1/3) ... [2024-10-14 07:35:28,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162ac4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:35:28, skipping insertion in model container [2024-10-14 07:35:28,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:27" (2/3) ... [2024-10-14 07:35:28,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162ac4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:35:28, skipping insertion in model container [2024-10-14 07:35:28,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:35:28" (3/3) ... [2024-10-14 07:35:28,088 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-86.i [2024-10-14 07:35:28,105 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:35:28,106 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:35:28,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:35:28,190 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;@1d475871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:35:28,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:35:28,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:35:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-14 07:35:28,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:28,213 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:28,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:28,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:28,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2069232595, now seen corresponding path program 1 times [2024-10-14 07:35:28,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459686935] [2024-10-14 07:35:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:35:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:35:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:35:28,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:28,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459686935] [2024-10-14 07:35:28,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459686935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:28,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:28,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:35:28,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474650589] [2024-10-14 07:35:28,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:28,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:35:28,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:35:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:35:28,779 INFO L87 Difference]: Start difference. First operand has 69 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 07:35:28,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:28,835 INFO L93 Difference]: Finished difference Result 135 states and 253 transitions. [2024-10-14 07:35:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:35:28,840 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 181 [2024-10-14 07:35:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:28,848 INFO L225 Difference]: With dead ends: 135 [2024-10-14 07:35:28,848 INFO L226 Difference]: Without dead ends: 67 [2024-10-14 07:35:28,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:35:28,858 INFO L432 NwaCegarLoop]: 104 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, 104 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 [2024-10-14 07:35:28,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:35:28,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-14 07:35:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-14 07:35:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:35:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 107 transitions. [2024-10-14 07:35:28,904 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 107 transitions. Word has length 181 [2024-10-14 07:35:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:28,905 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 107 transitions. [2024-10-14 07:35:28,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 07:35:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2024-10-14 07:35:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-14 07:35:28,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:28,910 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:28,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:35:28,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:28,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:28,912 INFO L85 PathProgramCache]: Analyzing trace with hash -357961007, now seen corresponding path program 1 times [2024-10-14 07:35:28,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:28,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086900900] [2024-10-14 07:35:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:28,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:35:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:35:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:35:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086900900] [2024-10-14 07:35:41,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086900900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:41,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:41,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 07:35:41,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130102369] [2024-10-14 07:35:41,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:41,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 07:35:41,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:41,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 07:35:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:35:41,856 INFO L87 Difference]: Start difference. First operand 67 states and 107 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:44,185 INFO L93 Difference]: Finished difference Result 170 states and 265 transitions. [2024-10-14 07:35:44,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 07:35:44,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-14 07:35:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:44,191 INFO L225 Difference]: With dead ends: 170 [2024-10-14 07:35:44,191 INFO L226 Difference]: Without dead ends: 104 [2024-10-14 07:35:44,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:35:44,193 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 80 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:44,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 327 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 07:35:44,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-14 07:35:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 75. [2024-10-14 07:35:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 07:35:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 119 transitions. [2024-10-14 07:35:44,222 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 119 transitions. Word has length 181 [2024-10-14 07:35:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:44,229 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 119 transitions. [2024-10-14 07:35:44,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-10-14 07:35:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-14 07:35:44,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:44,234 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:44,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:35:44,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:44,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:44,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1167307633, now seen corresponding path program 1 times [2024-10-14 07:35:44,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:44,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096270887] [2024-10-14 07:35:44,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:44,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:35:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:35:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:35:44,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:44,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096270887] [2024-10-14 07:35:44,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096270887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:44,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:44,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:35:44,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908662562] [2024-10-14 07:35:44,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:44,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:35:44,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:35:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:44,389 INFO L87 Difference]: Start difference. First operand 75 states and 119 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:44,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:44,433 INFO L93 Difference]: Finished difference Result 175 states and 274 transitions. [2024-10-14 07:35:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:35:44,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-14 07:35:44,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:44,436 INFO L225 Difference]: With dead ends: 175 [2024-10-14 07:35:44,436 INFO L226 Difference]: Without dead ends: 101 [2024-10-14 07:35:44,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:44,438 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 42 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:44,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 238 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:35:44,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-14 07:35:44,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-10-14 07:35:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:35:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 153 transitions. [2024-10-14 07:35:44,461 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 153 transitions. Word has length 181 [2024-10-14 07:35:44,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:44,462 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 153 transitions. [2024-10-14 07:35:44,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2024-10-14 07:35:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:35:44,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:44,470 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:44,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:35:44,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:44,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1786977719, now seen corresponding path program 1 times [2024-10-14 07:35:44,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:44,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403221746] [2024-10-14 07:35:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:35:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:35:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:35:54,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:54,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403221746] [2024-10-14 07:35:54,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403221746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:54,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:54,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:35:54,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256257110] [2024-10-14 07:35:54,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:54,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:35:54,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:54,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:35:54,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:54,664 INFO L87 Difference]: Start difference. First operand 98 states and 153 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:56,166 INFO L93 Difference]: Finished difference Result 125 states and 183 transitions. [2024-10-14 07:35:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:35:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:35:56,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:56,172 INFO L225 Difference]: With dead ends: 125 [2024-10-14 07:35:56,172 INFO L226 Difference]: Without dead ends: 123 [2024-10-14 07:35:56,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:35:56,175 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 87 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:56,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 337 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 07:35:56,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-14 07:35:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2024-10-14 07:35:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 58 states have internal predecessors, (77), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:35:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 155 transitions. [2024-10-14 07:35:56,190 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 155 transitions. Word has length 182 [2024-10-14 07:35:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:56,191 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 155 transitions. [2024-10-14 07:35:56,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:35:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 155 transitions. [2024-10-14 07:35:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:35:56,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:56,194 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:56,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:35:56,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:56,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1787037301, now seen corresponding path program 1 times [2024-10-14 07:35:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:56,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641715854] [2024-10-14 07:35:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:36:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:36:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:36:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:36:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:36:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:36:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:36:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:36:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:36:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:36:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:36:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:36:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:36:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:36:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:36:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:36:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:36:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:36:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:36:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:36:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:36:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:36:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:36:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:36:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:36:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:36:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:36:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:36:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:36:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:36:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:36:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:36:05,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:36:05,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641715854] [2024-10-14 07:36:05,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641715854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:36:05,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:36:05,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:36:05,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359235900] [2024-10-14 07:36:05,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:36:05,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:36:05,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:36:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:36:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:36:05,066 INFO L87 Difference]: Start difference. First operand 99 states and 155 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:36:06,877 INFO L93 Difference]: Finished difference Result 121 states and 179 transitions. [2024-10-14 07:36:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:36:06,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:36:06,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:36:06,881 INFO L225 Difference]: With dead ends: 121 [2024-10-14 07:36:06,881 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 07:36:06,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:36:06,883 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 86 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 07:36:06,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 329 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 07:36:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 07:36:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 99. [2024-10-14 07:36:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 58 states have internal predecessors, (77), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:36:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 155 transitions. [2024-10-14 07:36:06,897 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 155 transitions. Word has length 182 [2024-10-14 07:36:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:36:06,898 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 155 transitions. [2024-10-14 07:36:06,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 155 transitions. [2024-10-14 07:36:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:36:06,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:36:06,901 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:36:06,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 07:36:06,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:36:06,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:36:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1836698898, now seen corresponding path program 1 times [2024-10-14 07:36:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:36:06,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965241298] [2024-10-14 07:36:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:36:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:36:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:36:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:36:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:36:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:36:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:36:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:36:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:36:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:36:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:36:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:36:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:36:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:36:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:36:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:36:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:36:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:36:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:36:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:36:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:36:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:36:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:36:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:36:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:36:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:36:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:36:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:36:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:36:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:36:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:36:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:36:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:36:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:36:14,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:36:14,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965241298] [2024-10-14 07:36:14,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965241298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:36:14,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:36:14,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:36:14,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159616280] [2024-10-14 07:36:14,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:36:14,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:36:14,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:36:14,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:36:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:36:14,925 INFO L87 Difference]: Start difference. First operand 99 states and 155 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:36:16,253 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2024-10-14 07:36:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:36:16,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:36:16,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:36:16,255 INFO L225 Difference]: With dead ends: 127 [2024-10-14 07:36:16,255 INFO L226 Difference]: Without dead ends: 125 [2024-10-14 07:36:16,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:36:16,257 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 73 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:36:16,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 445 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 07:36:16,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-14 07:36:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 101. [2024-10-14 07:36:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 60 states have internal predecessors, (81), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:36:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 159 transitions. [2024-10-14 07:36:16,277 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 159 transitions. Word has length 182 [2024-10-14 07:36:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:36:16,277 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 159 transitions. [2024-10-14 07:36:16,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2024-10-14 07:36:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:36:16,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:36:16,280 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:36:16,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 07:36:16,280 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:36:16,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:36:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1838545940, now seen corresponding path program 1 times [2024-10-14 07:36:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:36:16,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232684080] [2024-10-14 07:36:16,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:36:16,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:36:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:36:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:36:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:36:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:36:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:36:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:36:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:36:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:36:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:36:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:36:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:36:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:36:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:36:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:36:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:36:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:36:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:36:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:36:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:36:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:36:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:36:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:36:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:36:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:36:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:36:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:36:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:36:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:36:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:36:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:36:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:36:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:36:24,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:36:24,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232684080] [2024-10-14 07:36:24,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232684080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:36:24,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:36:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:36:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690366090] [2024-10-14 07:36:24,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:36:24,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:36:24,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:36:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:36:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:36:24,197 INFO L87 Difference]: Start difference. First operand 101 states and 159 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:27,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:36:27,417 INFO L93 Difference]: Finished difference Result 126 states and 185 transitions. [2024-10-14 07:36:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 07:36:27,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:36:27,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:36:27,420 INFO L225 Difference]: With dead ends: 126 [2024-10-14 07:36:27,421 INFO L226 Difference]: Without dead ends: 124 [2024-10-14 07:36:27,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:36:27,422 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 66 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:36:27,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 443 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 07:36:27,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-14 07:36:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 101. [2024-10-14 07:36:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 60 states have internal predecessors, (81), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:36:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 159 transitions. [2024-10-14 07:36:27,433 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 159 transitions. Word has length 182 [2024-10-14 07:36:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:36:27,434 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 159 transitions. [2024-10-14 07:36:27,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2024-10-14 07:36:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:36:27,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:36:27,436 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:36:27,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 07:36:27,436 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:36:27,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:36:27,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1310810115, now seen corresponding path program 1 times [2024-10-14 07:36:27,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:36:27,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428537854] [2024-10-14 07:36:27,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:36:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:36:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:36:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:36:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:36:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:36:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:36:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:36:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:36:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:36:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:36:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:36:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:36:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:36:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:36:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:36:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:36:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:36:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:36:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:36:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:36:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:36:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:36:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:36:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:36:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:36:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:36:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:36:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:36:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:36:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:36:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:36:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:36:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:36:32,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:36:32,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428537854] [2024-10-14 07:36:32,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428537854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:36:32,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:36:32,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:36:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225762926] [2024-10-14 07:36:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:36:32,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:36:32,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:36:32,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:36:32,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:36:32,015 INFO L87 Difference]: Start difference. First operand 101 states and 159 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:36:33,815 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2024-10-14 07:36:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:36:33,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:36:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:36:33,817 INFO L225 Difference]: With dead ends: 136 [2024-10-14 07:36:33,817 INFO L226 Difference]: Without dead ends: 134 [2024-10-14 07:36:33,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:36:33,818 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 102 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 07:36:33,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 354 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 07:36:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-14 07:36:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 103. [2024-10-14 07:36:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:36:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 162 transitions. [2024-10-14 07:36:33,830 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 162 transitions. Word has length 182 [2024-10-14 07:36:33,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:36:33,831 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 162 transitions. [2024-10-14 07:36:33,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2024-10-14 07:36:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:36:33,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:36:33,833 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:36:33,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 07:36:33,834 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:36:33,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:36:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1209149819, now seen corresponding path program 1 times [2024-10-14 07:36:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:36:33,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31141594] [2024-10-14 07:36:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:36:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:36:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:36:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:36:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:36:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:36:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:36:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:36:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:36:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:36:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:36:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:36:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:36:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:36:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:36:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:36:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:36:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:36:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:36:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:36:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:36:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:36:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:36:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:36:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:36:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:36:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:36:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:36:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:36:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:36:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 07:36:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:36:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 07:36:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:36:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 07:36:37,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:36:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31141594] [2024-10-14 07:36:37,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31141594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:36:37,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:36:37,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:36:37,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279444750] [2024-10-14 07:36:37,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:36:37,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:36:37,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:36:37,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:36:37,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:36:37,951 INFO L87 Difference]: Start difference. First operand 103 states and 162 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:36:39,482 INFO L93 Difference]: Finished difference Result 233 states and 358 transitions. [2024-10-14 07:36:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:36:39,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-14 07:36:39,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:36:39,489 INFO L225 Difference]: With dead ends: 233 [2024-10-14 07:36:39,489 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 07:36:39,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=129, Unknown=0, NotChecked=0, Total=210 [2024-10-14 07:36:39,492 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 92 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 07:36:39,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 473 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 07:36:39,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 07:36:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 108. [2024-10-14 07:36:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.393939393939394) internal successors, (92), 67 states have internal predecessors, (92), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 07:36:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 170 transitions. [2024-10-14 07:36:39,504 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 170 transitions. Word has length 182 [2024-10-14 07:36:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:36:39,505 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 170 transitions. [2024-10-14 07:36:39,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 07:36:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2024-10-14 07:36:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 07:36:39,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:36:39,507 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:36:39,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 07:36:39,507 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:36:39,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:36:39,508 INFO L85 PathProgramCache]: Analyzing trace with hash -607843150, now seen corresponding path program 1 times [2024-10-14 07:36:39,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:36:39,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989639730] [2024-10-14 07:36:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:36:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:36:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat