./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b22aa97f1913ae3cfccd3ac43d88bdb4353913e6f399c17cfa9647d6764d2ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:19:41,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:19:41,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:19:41,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:19:41,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:19:41,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:19:41,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:19:41,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:19:41,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:19:41,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:19:41,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:19:41,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:19:41,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:19:41,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:19:41,852 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:19:41,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:19:41,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:19:41,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:19:41,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:19:41,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:19:41,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:19:41,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:19:41,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:19:41,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:19:41,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:19:41,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:19:41,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:19:41,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:19:41,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:19:41,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:19:41,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:19:41,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:19:41,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:19:41,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:19:41,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:19:41,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:19:41,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:19:41,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:19:41,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:19:41,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:19:41,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:19:41,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:19:41,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b22aa97f1913ae3cfccd3ac43d88bdb4353913e6f399c17cfa9647d6764d2ff [2024-10-11 08:19:42,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:19:42,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:19:42,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:19:42,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:19:42,149 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:19:42,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i [2024-10-11 08:19:43,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:19:43,853 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:19:43,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i [2024-10-11 08:19:43,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/585cdf597/8c928937521b4326b15b10d23f3b74ab/FLAG543ee5009 [2024-10-11 08:19:43,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/585cdf597/8c928937521b4326b15b10d23f3b74ab [2024-10-11 08:19:43,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:19:43,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:19:43,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:19:43,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:19:43,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:19:43,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:19:43" (1/1) ... [2024-10-11 08:19:43,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a87fee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:43, skipping insertion in model container [2024-10-11 08:19:43,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:19:43" (1/1) ... [2024-10-11 08:19:43,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:19:44,105 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i[916,929] [2024-10-11 08:19:44,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:19:44,364 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:19:44,377 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-78.i[916,929] [2024-10-11 08:19:44,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:19:44,470 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:19:44,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44 WrapperNode [2024-10-11 08:19:44,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:19:44,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:19:44,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:19:44,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:19:44,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,618 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 523 [2024-10-11 08:19:44,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:19:44,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:19:44,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:19:44,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:19:44,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,704 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 08:19:44,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:19:44,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:19:44,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:19:44,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:19:44,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (1/1) ... [2024-10-11 08:19:44,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:19:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:19:44,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:19:44,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:19:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:19:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:19:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:19:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:19:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:19:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:19:44,995 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:19:44,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:19:45,978 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-11 08:19:45,978 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:19:46,019 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:19:46,020 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:19:46,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:19:46 BoogieIcfgContainer [2024-10-11 08:19:46,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:19:46,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:19:46,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:19:46,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:19:46,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:19:43" (1/3) ... [2024-10-11 08:19:46,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b56144d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:19:46, skipping insertion in model container [2024-10-11 08:19:46,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:19:44" (2/3) ... [2024-10-11 08:19:46,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b56144d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:19:46, skipping insertion in model container [2024-10-11 08:19:46,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:19:46" (3/3) ... [2024-10-11 08:19:46,031 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-78.i [2024-10-11 08:19:46,048 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:19:46,048 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:19:46,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:19:46,138 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;@30c02053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:19:46,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:19:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 155 states have internal predecessors, (245), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-11 08:19:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-11 08:19:46,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:46,226 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:46,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:46,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:46,233 INFO L85 PathProgramCache]: Analyzing trace with hash -675321168, now seen corresponding path program 1 times [2024-10-11 08:19:46,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:46,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551733464] [2024-10-11 08:19:46,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:46,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:47,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:47,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551733464] [2024-10-11 08:19:47,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551733464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:47,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:47,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:19:47,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495149399] [2024-10-11 08:19:47,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:47,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:19:47,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:47,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:19:47,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:19:47,278 INFO L87 Difference]: Start difference. First operand has 211 states, 154 states have (on average 1.5909090909090908) internal successors, (245), 155 states have internal predecessors, (245), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-10-11 08:19:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:47,350 INFO L93 Difference]: Finished difference Result 419 states and 758 transitions. [2024-10-11 08:19:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:19:47,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) Word has length 360 [2024-10-11 08:19:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:47,366 INFO L225 Difference]: With dead ends: 419 [2024-10-11 08:19:47,367 INFO L226 Difference]: Without dead ends: 209 [2024-10-11 08:19:47,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:19:47,380 INFO L432 NwaCegarLoop]: 345 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, 345 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:47,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:19:47,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-11 08:19:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-10-11 08:19:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 153 states have (on average 1.5686274509803921) internal successors, (240), 153 states have internal predecessors, (240), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-11 08:19:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 348 transitions. [2024-10-11 08:19:47,463 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 348 transitions. Word has length 360 [2024-10-11 08:19:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:47,465 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 348 transitions. [2024-10-11 08:19:47,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 2 states have call successors, (54) [2024-10-11 08:19:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 348 transitions. [2024-10-11 08:19:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-11 08:19:47,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:47,478 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:47,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:19:47,478 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:47,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash 934244508, now seen corresponding path program 1 times [2024-10-11 08:19:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:47,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411747530] [2024-10-11 08:19:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:47,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:48,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411747530] [2024-10-11 08:19:48,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411747530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:48,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:19:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437819914] [2024-10-11 08:19:48,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:48,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:19:48,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:48,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:19:48,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:48,122 INFO L87 Difference]: Start difference. First operand 209 states and 348 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:48,254 INFO L93 Difference]: Finished difference Result 575 states and 957 transitions. [2024-10-11 08:19:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:19:48,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 360 [2024-10-11 08:19:48,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:48,262 INFO L225 Difference]: With dead ends: 575 [2024-10-11 08:19:48,262 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 08:19:48,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:48,268 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 248 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:48,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 748 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:19:48,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 08:19:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 364. [2024-10-11 08:19:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 275 states have (on average 1.56) internal successors, (429), 276 states have internal predecessors, (429), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:19:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 601 transitions. [2024-10-11 08:19:48,362 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 601 transitions. Word has length 360 [2024-10-11 08:19:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:48,363 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 601 transitions. [2024-10-11 08:19:48,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 601 transitions. [2024-10-11 08:19:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-10-11 08:19:48,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:48,370 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:48,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:19:48,370 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:48,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:48,371 INFO L85 PathProgramCache]: Analyzing trace with hash 911612254, now seen corresponding path program 1 times [2024-10-11 08:19:48,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:48,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873051388] [2024-10-11 08:19:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:48,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:48,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873051388] [2024-10-11 08:19:48,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873051388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:48,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:48,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:19:48,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872121957] [2024-10-11 08:19:48,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:48,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:19:48,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:48,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:19:48,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:48,881 INFO L87 Difference]: Start difference. First operand 364 states and 601 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:48,987 INFO L93 Difference]: Finished difference Result 730 states and 1203 transitions. [2024-10-11 08:19:48,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:19:48,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 360 [2024-10-11 08:19:48,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:48,991 INFO L225 Difference]: With dead ends: 730 [2024-10-11 08:19:48,992 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 08:19:48,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:19:48,994 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 256 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:48,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1261 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:19:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 08:19:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 364. [2024-10-11 08:19:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 275 states have (on average 1.5563636363636364) internal successors, (428), 276 states have internal predecessors, (428), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:19:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 600 transitions. [2024-10-11 08:19:49,032 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 600 transitions. Word has length 360 [2024-10-11 08:19:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:49,034 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 600 transitions. [2024-10-11 08:19:49,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 600 transitions. [2024-10-11 08:19:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-11 08:19:49,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:49,041 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:49,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:19:49,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:49,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:49,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1485909270, now seen corresponding path program 1 times [2024-10-11 08:19:49,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:49,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505230919] [2024-10-11 08:19:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:49,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:49,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505230919] [2024-10-11 08:19:49,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505230919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:49,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:49,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:19:49,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218530982] [2024-10-11 08:19:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:49,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:19:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:49,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:19:49,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:49,353 INFO L87 Difference]: Start difference. First operand 364 states and 600 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:49,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:49,412 INFO L93 Difference]: Finished difference Result 955 states and 1556 transitions. [2024-10-11 08:19:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:19:49,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 361 [2024-10-11 08:19:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:49,420 INFO L225 Difference]: With dead ends: 955 [2024-10-11 08:19:49,421 INFO L226 Difference]: Without dead ends: 592 [2024-10-11 08:19:49,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:49,423 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 202 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:49,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 681 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:19:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-10-11 08:19:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 589. [2024-10-11 08:19:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 417 states have (on average 1.486810551558753) internal successors, (620), 420 states have internal predecessors, (620), 167 states have call successors, (167), 4 states have call predecessors, (167), 4 states have return successors, (167), 164 states have call predecessors, (167), 167 states have call successors, (167) [2024-10-11 08:19:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 954 transitions. [2024-10-11 08:19:49,472 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 954 transitions. Word has length 361 [2024-10-11 08:19:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:49,473 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 954 transitions. [2024-10-11 08:19:49,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 954 transitions. [2024-10-11 08:19:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-11 08:19:49,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:49,479 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:49,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:19:49,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:49,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:49,480 INFO L85 PathProgramCache]: Analyzing trace with hash -885829992, now seen corresponding path program 1 times [2024-10-11 08:19:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:49,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088935118] [2024-10-11 08:19:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:49,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:49,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:49,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088935118] [2024-10-11 08:19:49,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088935118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:49,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:49,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:19:49,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945866032] [2024-10-11 08:19:49,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:49,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:19:49,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:49,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:19:49,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:49,861 INFO L87 Difference]: Start difference. First operand 589 states and 954 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:49,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:49,966 INFO L93 Difference]: Finished difference Result 1200 states and 1936 transitions. [2024-10-11 08:19:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:19:49,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 361 [2024-10-11 08:19:49,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:49,972 INFO L225 Difference]: With dead ends: 1200 [2024-10-11 08:19:49,972 INFO L226 Difference]: Without dead ends: 612 [2024-10-11 08:19:49,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:49,976 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 235 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:49,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 720 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:19:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-11 08:19:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 426. [2024-10-11 08:19:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 318 states have (on average 1.509433962264151) internal successors, (480), 319 states have internal predecessors, (480), 103 states have call successors, (103), 4 states have call predecessors, (103), 4 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) [2024-10-11 08:19:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 686 transitions. [2024-10-11 08:19:50,018 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 686 transitions. Word has length 361 [2024-10-11 08:19:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:50,019 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 686 transitions. [2024-10-11 08:19:50,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 686 transitions. [2024-10-11 08:19:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-11 08:19:50,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:50,026 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:50,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:19:50,026 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:50,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:50,027 INFO L85 PathProgramCache]: Analyzing trace with hash -244273448, now seen corresponding path program 1 times [2024-10-11 08:19:50,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:50,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562903007] [2024-10-11 08:19:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:50,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:50,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562903007] [2024-10-11 08:19:50,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562903007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:50,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:50,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:19:50,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441624600] [2024-10-11 08:19:50,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:50,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:19:50,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:19:50,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:50,456 INFO L87 Difference]: Start difference. First operand 426 states and 686 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:50,509 INFO L93 Difference]: Finished difference Result 851 states and 1371 transitions. [2024-10-11 08:19:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:19:50,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 361 [2024-10-11 08:19:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:50,514 INFO L225 Difference]: With dead ends: 851 [2024-10-11 08:19:50,514 INFO L226 Difference]: Without dead ends: 426 [2024-10-11 08:19:50,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:50,517 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:50,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1018 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:19:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-11 08:19:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-11 08:19:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 318 states have (on average 1.5031446540880504) internal successors, (478), 319 states have internal predecessors, (478), 103 states have call successors, (103), 4 states have call predecessors, (103), 4 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) [2024-10-11 08:19:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 684 transitions. [2024-10-11 08:19:50,546 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 684 transitions. Word has length 361 [2024-10-11 08:19:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:50,548 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 684 transitions. [2024-10-11 08:19:50,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 684 transitions. [2024-10-11 08:19:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-10-11 08:19:50,554 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:50,555 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:50,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 08:19:50,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:50,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1200249368, now seen corresponding path program 1 times [2024-10-11 08:19:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:50,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549530285] [2024-10-11 08:19:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:50,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:51,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549530285] [2024-10-11 08:19:51,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549530285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:51,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:51,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:19:51,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181719154] [2024-10-11 08:19:51,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:51,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:19:51,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:51,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:19:51,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:51,075 INFO L87 Difference]: Start difference. First operand 426 states and 684 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:51,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:51,131 INFO L93 Difference]: Finished difference Result 1276 states and 2050 transitions. [2024-10-11 08:19:51,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:19:51,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 362 [2024-10-11 08:19:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:51,138 INFO L225 Difference]: With dead ends: 1276 [2024-10-11 08:19:51,138 INFO L226 Difference]: Without dead ends: 851 [2024-10-11 08:19:51,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:19:51,141 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 224 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:51,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 684 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:19:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-11 08:19:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 849. [2024-10-11 08:19:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 634 states have (on average 1.498422712933754) internal successors, (950), 636 states have internal predecessors, (950), 206 states have call successors, (206), 8 states have call predecessors, (206), 8 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2024-10-11 08:19:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1362 transitions. [2024-10-11 08:19:51,206 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1362 transitions. Word has length 362 [2024-10-11 08:19:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:51,209 INFO L471 AbstractCegarLoop]: Abstraction has 849 states and 1362 transitions. [2024-10-11 08:19:51,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1362 transitions. [2024-10-11 08:19:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-10-11 08:19:51,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:51,214 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:51,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 08:19:51,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:51,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1059700758, now seen corresponding path program 1 times [2024-10-11 08:19:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159713773] [2024-10-11 08:19:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:51,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:51,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159713773] [2024-10-11 08:19:51,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159713773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:51,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:51,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:19:51,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481092678] [2024-10-11 08:19:51,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:51,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:19:51,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:51,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:19:51,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:51,805 INFO L87 Difference]: Start difference. First operand 849 states and 1362 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:52,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:52,211 INFO L93 Difference]: Finished difference Result 2164 states and 3465 transitions. [2024-10-11 08:19:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:19:52,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 362 [2024-10-11 08:19:52,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:52,220 INFO L225 Difference]: With dead ends: 2164 [2024-10-11 08:19:52,220 INFO L226 Difference]: Without dead ends: 1316 [2024-10-11 08:19:52,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:19:52,224 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 359 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:52,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 998 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:19:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2024-10-11 08:19:52,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1258. [2024-10-11 08:19:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 986 states have (on average 1.5162271805273835) internal successors, (1495), 988 states have internal predecessors, (1495), 260 states have call successors, (260), 11 states have call predecessors, (260), 11 states have return successors, (260), 258 states have call predecessors, (260), 260 states have call successors, (260) [2024-10-11 08:19:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 2015 transitions. [2024-10-11 08:19:52,348 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 2015 transitions. Word has length 362 [2024-10-11 08:19:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:52,348 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 2015 transitions. [2024-10-11 08:19:52,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 2015 transitions. [2024-10-11 08:19:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-11 08:19:52,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:52,354 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:52,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 08:19:52,355 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:52,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:52,355 INFO L85 PathProgramCache]: Analyzing trace with hash -363716562, now seen corresponding path program 1 times [2024-10-11 08:19:52,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:52,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159810970] [2024-10-11 08:19:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:52,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:52,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159810970] [2024-10-11 08:19:52,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159810970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:52,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:52,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:19:52,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118592214] [2024-10-11 08:19:52,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:52,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:19:52,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:52,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:19:52,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:52,958 INFO L87 Difference]: Start difference. First operand 1258 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:53,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:53,349 INFO L93 Difference]: Finished difference Result 3096 states and 4946 transitions. [2024-10-11 08:19:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:19:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 363 [2024-10-11 08:19:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:53,364 INFO L225 Difference]: With dead ends: 3096 [2024-10-11 08:19:53,364 INFO L226 Difference]: Without dead ends: 2188 [2024-10-11 08:19:53,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:19:53,369 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 396 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:53,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1023 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:19:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2024-10-11 08:19:53,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2132. [2024-10-11 08:19:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1646 states have (on average 1.5012150668286757) internal successors, (2471), 1650 states have internal predecessors, (2471), 466 states have call successors, (466), 19 states have call predecessors, (466), 19 states have return successors, (466), 462 states have call predecessors, (466), 466 states have call successors, (466) [2024-10-11 08:19:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3403 transitions. [2024-10-11 08:19:53,596 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3403 transitions. Word has length 363 [2024-10-11 08:19:53,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:53,597 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3403 transitions. [2024-10-11 08:19:53,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3403 transitions. [2024-10-11 08:19:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-11 08:19:53,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:53,600 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:53,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 08:19:53,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:53,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 931600667, now seen corresponding path program 1 times [2024-10-11 08:19:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286646674] [2024-10-11 08:19:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286646674] [2024-10-11 08:19:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286646674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:54,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 08:19:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955816935] [2024-10-11 08:19:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:54,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 08:19:54,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 08:19:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:19:54,251 INFO L87 Difference]: Start difference. First operand 2132 states and 3403 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:54,854 INFO L93 Difference]: Finished difference Result 5880 states and 9339 transitions. [2024-10-11 08:19:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 08:19:54,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 364 [2024-10-11 08:19:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:54,912 INFO L225 Difference]: With dead ends: 5880 [2024-10-11 08:19:54,912 INFO L226 Difference]: Without dead ends: 4142 [2024-10-11 08:19:54,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:19:54,919 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 778 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:54,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 2913 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:19:54,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4142 states. [2024-10-11 08:19:55,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4142 to 3912. [2024-10-11 08:19:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2998 states have (on average 1.4966644429619747) internal successors, (4487), 3006 states have internal predecessors, (4487), 878 states have call successors, (878), 35 states have call predecessors, (878), 35 states have return successors, (878), 870 states have call predecessors, (878), 878 states have call successors, (878) [2024-10-11 08:19:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 6243 transitions. [2024-10-11 08:19:55,320 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 6243 transitions. Word has length 364 [2024-10-11 08:19:55,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:55,321 INFO L471 AbstractCegarLoop]: Abstraction has 3912 states and 6243 transitions. [2024-10-11 08:19:55,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 6243 transitions. [2024-10-11 08:19:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-11 08:19:55,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:55,324 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:55,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 08:19:55,325 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:55,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:55,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1611659037, now seen corresponding path program 1 times [2024-10-11 08:19:55,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:55,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339361507] [2024-10-11 08:19:55,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:55,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:56,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:56,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339361507] [2024-10-11 08:19:56,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339361507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:56,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:56,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:19:56,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766285823] [2024-10-11 08:19:56,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:56,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:19:56,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:56,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:19:56,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:19:56,208 INFO L87 Difference]: Start difference. First operand 3912 states and 6243 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:56,744 INFO L93 Difference]: Finished difference Result 7700 states and 12233 transitions. [2024-10-11 08:19:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:19:56,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 364 [2024-10-11 08:19:56,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:56,768 INFO L225 Difference]: With dead ends: 7700 [2024-10-11 08:19:56,768 INFO L226 Difference]: Without dead ends: 4138 [2024-10-11 08:19:56,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:19:56,779 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 351 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:56,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 998 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:19:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2024-10-11 08:19:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 3944. [2024-10-11 08:19:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3944 states, 3030 states have (on average 1.49009900990099) internal successors, (4515), 3038 states have internal predecessors, (4515), 878 states have call successors, (878), 35 states have call predecessors, (878), 35 states have return successors, (878), 870 states have call predecessors, (878), 878 states have call successors, (878) [2024-10-11 08:19:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 6271 transitions. [2024-10-11 08:19:57,071 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 6271 transitions. Word has length 364 [2024-10-11 08:19:57,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:57,072 INFO L471 AbstractCegarLoop]: Abstraction has 3944 states and 6271 transitions. [2024-10-11 08:19:57,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 6271 transitions. [2024-10-11 08:19:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-11 08:19:57,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:57,075 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:57,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 08:19:57,076 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:57,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1418218029, now seen corresponding path program 1 times [2024-10-11 08:19:57,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068994784] [2024-10-11 08:19:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:57,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:57,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:57,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068994784] [2024-10-11 08:19:57,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068994784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:57,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:57,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 08:19:57,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916655118] [2024-10-11 08:19:57,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:57,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:19:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:19:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:19:57,685 INFO L87 Difference]: Start difference. First operand 3944 states and 6271 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:19:58,411 INFO L93 Difference]: Finished difference Result 11390 states and 18070 transitions. [2024-10-11 08:19:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 08:19:58,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 365 [2024-10-11 08:19:58,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:19:58,478 INFO L225 Difference]: With dead ends: 11390 [2024-10-11 08:19:58,478 INFO L226 Difference]: Without dead ends: 7780 [2024-10-11 08:19:58,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:19:58,495 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 424 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:19:58,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1250 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:19:58,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7780 states. [2024-10-11 08:19:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7780 to 7456. [2024-10-11 08:19:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7456 states, 5686 states have (on average 1.484171649665846) internal successors, (8439), 5702 states have internal predecessors, (8439), 1702 states have call successors, (1702), 67 states have call predecessors, (1702), 67 states have return successors, (1702), 1686 states have call predecessors, (1702), 1702 states have call successors, (1702) [2024-10-11 08:19:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7456 states to 7456 states and 11843 transitions. [2024-10-11 08:19:59,214 INFO L78 Accepts]: Start accepts. Automaton has 7456 states and 11843 transitions. Word has length 365 [2024-10-11 08:19:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:19:59,215 INFO L471 AbstractCegarLoop]: Abstraction has 7456 states and 11843 transitions. [2024-10-11 08:19:59,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:19:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7456 states and 11843 transitions. [2024-10-11 08:19:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-11 08:19:59,219 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:19:59,219 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:19:59,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 08:19:59,220 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:19:59,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:19:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash -995516203, now seen corresponding path program 1 times [2024-10-11 08:19:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:19:59,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339563519] [2024-10-11 08:19:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:19:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:19:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:19:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:19:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:19:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:19:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:19:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:19:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:19:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:19:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:19:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:19:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:19:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:19:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:19:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:19:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:19:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:19:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:19:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:19:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:19:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:19:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:19:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:19:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:19:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:19:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:19:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:19:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:19:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:19:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:19:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:19:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:19:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:19:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:19:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:19:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:19:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:19:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:19:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:19:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:19:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:19:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:19:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:19:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:19:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:19:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:19:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:19:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:19:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:19:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:19:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:19:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:19:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:19:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:19:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:19:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:19:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:19:59,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:19:59,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339563519] [2024-10-11 08:19:59,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339563519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:19:59,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:19:59,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 08:19:59,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39059561] [2024-10-11 08:19:59,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:19:59,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 08:19:59,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:19:59,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 08:19:59,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 08:19:59,820 INFO L87 Difference]: Start difference. First operand 7456 states and 11843 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:20:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:20:00,361 INFO L93 Difference]: Finished difference Result 14876 states and 23645 transitions. [2024-10-11 08:20:00,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 08:20:00,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 365 [2024-10-11 08:20:00,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:20:00,407 INFO L225 Difference]: With dead ends: 14876 [2024-10-11 08:20:00,407 INFO L226 Difference]: Without dead ends: 8026 [2024-10-11 08:20:00,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:20:00,430 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 67 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:20:00,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1339 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:20:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8026 states. [2024-10-11 08:20:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8026 to 7768. [2024-10-11 08:20:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 5998 states have (on average 1.4749916638879625) internal successors, (8847), 6014 states have internal predecessors, (8847), 1702 states have call successors, (1702), 67 states have call predecessors, (1702), 67 states have return successors, (1702), 1686 states have call predecessors, (1702), 1702 states have call successors, (1702) [2024-10-11 08:20:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 12251 transitions. [2024-10-11 08:20:01,006 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 12251 transitions. Word has length 365 [2024-10-11 08:20:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:20:01,008 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 12251 transitions. [2024-10-11 08:20:01,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:20:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 12251 transitions. [2024-10-11 08:20:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-10-11 08:20:01,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:20:01,012 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:20:01,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 08:20:01,012 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:20:01,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:20:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash -298687341, now seen corresponding path program 1 times [2024-10-11 08:20:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:20:01,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992736554] [2024-10-11 08:20:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:20:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:20:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:20:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:20:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:20:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:20:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:20:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:20:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:20:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:20:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:20:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:20:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:20:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:20:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:20:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:20:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:20:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:20:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:20:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:20:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:20:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:20:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:20:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:20:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:20:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:20:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:20:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:20:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:20:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:20:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:20:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:20:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:20:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:20:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:20:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:20:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:20:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:20:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:20:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:20:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:20:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:20:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:20:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:20:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:20:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:20:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:20:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:20:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:20:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:20:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:20:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:20:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:20:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:20:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:20:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:20:01,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:20:01,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992736554] [2024-10-11 08:20:01,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992736554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:20:01,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:20:01,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:20:01,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908487662] [2024-10-11 08:20:01,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:20:01,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:20:01,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:20:01,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:20:01,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:20:01,495 INFO L87 Difference]: Start difference. First operand 7768 states and 12251 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:20:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:20:03,325 INFO L93 Difference]: Finished difference Result 22670 states and 35603 transitions. [2024-10-11 08:20:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:20:03,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 370 [2024-10-11 08:20:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:20:03,419 INFO L225 Difference]: With dead ends: 22670 [2024-10-11 08:20:03,420 INFO L226 Difference]: Without dead ends: 15160 [2024-10-11 08:20:03,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:20:03,459 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 771 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 08:20:03,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 572 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 08:20:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15160 states. [2024-10-11 08:20:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15160 to 13206. [2024-10-11 08:20:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13206 states, 9708 states have (on average 1.392356819118253) internal successors, (13517), 9756 states have internal predecessors, (13517), 3350 states have call successors, (3350), 147 states have call predecessors, (3350), 147 states have return successors, (3350), 3302 states have call predecessors, (3350), 3350 states have call successors, (3350) [2024-10-11 08:20:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13206 states to 13206 states and 20217 transitions. [2024-10-11 08:20:04,798 INFO L78 Accepts]: Start accepts. Automaton has 13206 states and 20217 transitions. Word has length 370 [2024-10-11 08:20:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:20:04,799 INFO L471 AbstractCegarLoop]: Abstraction has 13206 states and 20217 transitions. [2024-10-11 08:20:04,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-11 08:20:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13206 states and 20217 transitions. [2024-10-11 08:20:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-10-11 08:20:04,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:20:04,804 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:20:04,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 08:20:04,805 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:20:04,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:20:04,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2122915155, now seen corresponding path program 1 times [2024-10-11 08:20:04,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:20:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694071365] [2024-10-11 08:20:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:04,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:20:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:20:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:20:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:20:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:20:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:20:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:20:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:20:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:20:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:20:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:20:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:20:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:20:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:20:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:20:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:20:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:20:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:20:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:20:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:20:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:20:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:20:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:20:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:20:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:20:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:20:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:20:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:20:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:20:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:20:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:20:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:20:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:20:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:20:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:20:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:20:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:20:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:20:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:20:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:20:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:20:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:20:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:20:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:20:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:20:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:20:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:20:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:20:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:20:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:20:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:20:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:20:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:20:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:20:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:20:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 66 proven. 93 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-10-11 08:20:05,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:20:05,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694071365] [2024-10-11 08:20:05,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694071365] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:20:05,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833727431] [2024-10-11 08:20:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:05,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:20:05,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:20:05,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:20:05,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 08:20:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:05,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 08:20:05,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:20:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 935 proven. 12 refuted. 0 times theorem prover too weak. 4777 trivial. 0 not checked. [2024-10-11 08:20:06,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:20:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 147 proven. 12 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-10-11 08:20:06,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833727431] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 08:20:06,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 08:20:06,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-11 08:20:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887411258] [2024-10-11 08:20:06,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 08:20:06,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 08:20:06,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:20:06,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 08:20:06,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 08:20:06,335 INFO L87 Difference]: Start difference. First operand 13206 states and 20217 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-10-11 08:20:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:20:07,852 INFO L93 Difference]: Finished difference Result 21454 states and 32814 transitions. [2024-10-11 08:20:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 08:20:07,853 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 370 [2024-10-11 08:20:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:20:07,918 INFO L225 Difference]: With dead ends: 21454 [2024-10-11 08:20:07,919 INFO L226 Difference]: Without dead ends: 8480 [2024-10-11 08:20:08,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 844 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-10-11 08:20:08,073 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 855 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 08:20:08,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 826 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 08:20:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8480 states. [2024-10-11 08:20:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8480 to 8314. [2024-10-11 08:20:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8314 states, 6382 states have (on average 1.426668755875901) internal successors, (9105), 6398 states have internal predecessors, (9105), 1782 states have call successors, (1782), 149 states have call predecessors, (1782), 149 states have return successors, (1782), 1766 states have call predecessors, (1782), 1782 states have call successors, (1782) [2024-10-11 08:20:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8314 states to 8314 states and 12669 transitions. [2024-10-11 08:20:08,754 INFO L78 Accepts]: Start accepts. Automaton has 8314 states and 12669 transitions. Word has length 370 [2024-10-11 08:20:08,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:20:08,755 INFO L471 AbstractCegarLoop]: Abstraction has 8314 states and 12669 transitions. [2024-10-11 08:20:08,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 8 states have internal predecessors, (158), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2024-10-11 08:20:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8314 states and 12669 transitions. [2024-10-11 08:20:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-11 08:20:08,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:20:08,759 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:20:08,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 08:20:08,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 08:20:08,964 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:20:08,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:20:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1644162270, now seen corresponding path program 1 times [2024-10-11 08:20:08,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:20:08,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133066781] [2024-10-11 08:20:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:20:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 08:20:09,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361508894] [2024-10-11 08:20:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:09,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:20:09,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:20:09,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:20:09,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 08:20:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:09,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 08:20:09,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:20:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2885 proven. 87 refuted. 0 times theorem prover too weak. 2752 trivial. 0 not checked. [2024-10-11 08:20:10,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:20:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 72 proven. 87 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-10-11 08:20:10,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:20:10,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133066781] [2024-10-11 08:20:10,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 08:20:10,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361508894] [2024-10-11 08:20:10,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361508894] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 08:20:10,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 08:20:10,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-10-11 08:20:10,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241658470] [2024-10-11 08:20:10,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 08:20:10,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:20:10,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:20:10,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:20:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:20:10,700 INFO L87 Difference]: Start difference. First operand 8314 states and 12669 transitions. Second operand has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2024-10-11 08:20:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:20:14,642 INFO L93 Difference]: Finished difference Result 33570 states and 50571 transitions. [2024-10-11 08:20:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 08:20:14,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 371 [2024-10-11 08:20:14,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:20:14,761 INFO L225 Difference]: With dead ends: 33570 [2024-10-11 08:20:14,761 INFO L226 Difference]: Without dead ends: 25428 [2024-10-11 08:20:14,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 732 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2024-10-11 08:20:14,801 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 883 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 281 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 2141 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 08:20:14,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 2141 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 1409 Invalid, 9 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 08:20:14,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25428 states. [2024-10-11 08:20:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25428 to 16657. [2024-10-11 08:20:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16657 states, 12788 states have (on average 1.416484203941195) internal successors, (18114), 12820 states have internal predecessors, (18114), 3510 states have call successors, (3510), 358 states have call predecessors, (3510), 358 states have return successors, (3510), 3478 states have call predecessors, (3510), 3510 states have call successors, (3510) [2024-10-11 08:20:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16657 states to 16657 states and 25134 transitions. [2024-10-11 08:20:16,754 INFO L78 Accepts]: Start accepts. Automaton has 16657 states and 25134 transitions. Word has length 371 [2024-10-11 08:20:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:20:16,755 INFO L471 AbstractCegarLoop]: Abstraction has 16657 states and 25134 transitions. [2024-10-11 08:20:16,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.916666666666666) internal successors, (143), 12 states have internal predecessors, (143), 3 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2024-10-11 08:20:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16657 states and 25134 transitions. [2024-10-11 08:20:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-11 08:20:16,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:20:16,762 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:20:16,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 08:20:16,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 08:20:16,964 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:20:16,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:20:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1280758248, now seen corresponding path program 1 times [2024-10-11 08:20:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:20:16,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016014719] [2024-10-11 08:20:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:20:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:20:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:20:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:20:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:20:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:20:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:20:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:20:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:20:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:20:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:20:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:20:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 08:20:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 08:20:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 08:20:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 08:20:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:20:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 08:20:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:20:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 08:20:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 08:20:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 08:20:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 08:20:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:20:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 08:20:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:20:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 08:20:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:20:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 08:20:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:20:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 08:20:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:20:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 08:20:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 08:20:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:20:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:20:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:20:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:20:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 08:20:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 08:20:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 08:20:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 08:20:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 08:20:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 08:20:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 08:20:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:20:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:20:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 08:20:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 08:20:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 08:20:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 08:20:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-11 08:20:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 08:20:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 08:20:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 08:20:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-11 08:20:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:20:17,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016014719] [2024-10-11 08:20:17,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016014719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:20:17,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:20:17,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 08:20:17,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486540392] [2024-10-11 08:20:17,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:20:17,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 08:20:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:20:17,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 08:20:17,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:20:17,830 INFO L87 Difference]: Start difference. First operand 16657 states and 25134 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-10-11 08:20:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:20:28,850 INFO L93 Difference]: Finished difference Result 126132 states and 188714 transitions. [2024-10-11 08:20:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:20:28,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 372 [2024-10-11 08:20:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:20:29,638 INFO L225 Difference]: With dead ends: 126132 [2024-10-11 08:20:29,638 INFO L226 Difference]: Without dead ends: 109063 [2024-10-11 08:20:29,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:20:29,713 INFO L432 NwaCegarLoop]: 873 mSDtfsCounter, 2829 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 3752 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:20:29,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3752 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 1671 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 08:20:29,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109063 states. [2024-10-11 08:20:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109063 to 84103. [2024-10-11 08:20:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84103 states, 64778 states have (on average 1.3970329432832134) internal successors, (90497), 65034 states have internal predecessors, (90497), 17590 states have call successors, (17590), 1734 states have call predecessors, (17590), 1734 states have return successors, (17590), 17334 states have call predecessors, (17590), 17590 states have call successors, (17590) [2024-10-11 08:20:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84103 states to 84103 states and 125677 transitions. [2024-10-11 08:20:39,220 INFO L78 Accepts]: Start accepts. Automaton has 84103 states and 125677 transitions. Word has length 372 [2024-10-11 08:20:39,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:20:39,221 INFO L471 AbstractCegarLoop]: Abstraction has 84103 states and 125677 transitions. [2024-10-11 08:20:39,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-10-11 08:20:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 84103 states and 125677 transitions. [2024-10-11 08:20:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-11 08:20:39,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:20:39,237 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:20:39,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 08:20:39,237 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:20:39,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:20:39,238 INFO L85 PathProgramCache]: Analyzing trace with hash -720058470, now seen corresponding path program 1 times [2024-10-11 08:20:39,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:20:39,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514644144] [2024-10-11 08:20:39,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:20:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 08:20:39,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834383179] [2024-10-11 08:20:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:20:39,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:20:39,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:20:39,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:20:39,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 08:20:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:20:39,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 08:20:39,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:20:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 659 proven. 150 refuted. 0 times theorem prover too weak. 4915 trivial. 0 not checked. [2024-10-11 08:20:41,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:20:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:20:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514644144] [2024-10-11 08:20:42,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 08:20:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834383179] [2024-10-11 08:20:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834383179] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:20:42,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 08:20:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-11 08:20:42,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781349555] [2024-10-11 08:20:42,985 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 08:20:42,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 08:20:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:20:42,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 08:20:42,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:20:42,987 INFO L87 Difference]: Start difference. First operand 84103 states and 125677 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54)