./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6b08464150ee183a1b1d9b84d8f22204453a698f72cf03ab603719c19d5f281 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:25:40,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:25:40,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 00:25:40,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:25:40,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:25:40,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:25:40,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:25:40,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:25:40,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:25:40,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:25:40,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:25:40,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:25:40,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:25:40,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:25:40,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:25:40,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:25:40,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:25:40,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 00:25:40,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:25:40,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:25:40,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:25:40,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:25:40,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:25:40,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:25:40,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:25:40,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:25:40,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:25:40,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:25:40,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:25:40,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:25:40,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:25:40,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:25:40,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:25:40,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 00:25:40,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 00:25:40,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:25:40,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:25:40,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:25:40,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:25:40,893 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6b08464150ee183a1b1d9b84d8f22204453a698f72cf03ab603719c19d5f281 [2024-11-20 00:25:41,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:25:41,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:25:41,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:25:41,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:25:41,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:25:41,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-20 00:25:42,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:25:42,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:25:42,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-20 00:25:42,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b49aedb/35fdd6fd31e5490c9993d5875b93aa17/FLAGc16784447 [2024-11-20 00:25:42,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b49aedb/35fdd6fd31e5490c9993d5875b93aa17 [2024-11-20 00:25:42,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:25:42,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:25:42,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:25:42,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:25:42,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:25:42,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:42" (1/1) ... [2024-11-20 00:25:42,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294f63ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:42, skipping insertion in model container [2024-11-20 00:25:42,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:25:42" (1/1) ... [2024-11-20 00:25:43,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:25:43,235 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c[1271,1284] [2024-11-20 00:25:43,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:25:43,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:25:43,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c[1271,1284] [2024-11-20 00:25:44,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:25:44,139 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:25:44,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44 WrapperNode [2024-11-20 00:25:44,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:25:44,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:25:44,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:25:44,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:25:44,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:44,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:45,713 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11396 [2024-11-20 00:25:45,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:25:45,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:25:45,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:25:45,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:25:45,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:45,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,377 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]. [2024-11-20 00:25:46,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:46,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:47,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:25:47,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:25:47,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:25:47,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:25:47,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (1/1) ... [2024-11-20 00:25:47,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:25:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:25:47,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 00:25:47,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 00:25:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:25:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 00:25:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 00:25:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 00:25:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:25:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:25:47,920 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:25:47,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:26:01,448 INFO L? ?]: Removed 6555 outVars from TransFormulas that were not future-live. [2024-11-20 00:26:01,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:26:01,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:26:01,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:26:01,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:01 BoogieIcfgContainer [2024-11-20 00:26:01,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:26:01,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:26:01,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:26:01,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:26:01,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:25:42" (1/3) ... [2024-11-20 00:26:01,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f661af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:26:01, skipping insertion in model container [2024-11-20 00:26:01,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:25:44" (2/3) ... [2024-11-20 00:26:01,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f661af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:26:01, skipping insertion in model container [2024-11-20 00:26:01,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:01" (3/3) ... [2024-11-20 00:26:01,518 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-20 00:26:01,531 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:26:01,532 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:26:01,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:26:01,658 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;@5c323be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:26:01,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:26:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 3204 states, 3188 states have (on average 1.497490589711418) internal successors, (4774), 3189 states have internal predecessors, (4774), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2024-11-20 00:26:01,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:01,718 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:01,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:01,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash -496340523, now seen corresponding path program 1 times [2024-11-20 00:26:01,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:01,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682519672] [2024-11-20 00:26:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:01,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:05,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-20 00:26:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-11-20 00:26:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-20 00:26:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-11-20 00:26:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-11-20 00:26:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-20 00:26:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-11-20 00:26:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-11-20 00:26:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682519672] [2024-11-20 00:26:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682519672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:06,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:06,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:26:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620140754] [2024-11-20 00:26:06,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:06,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:26:06,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:06,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:26:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:06,062 INFO L87 Difference]: Start difference. First operand has 3204 states, 3188 states have (on average 1.497490589711418) internal successors, (4774), 3189 states have internal predecessors, (4774), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:06,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:06,228 INFO L93 Difference]: Finished difference Result 5809 states and 8718 transitions. [2024-11-20 00:26:06,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:06,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 895 [2024-11-20 00:26:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:06,260 INFO L225 Difference]: With dead ends: 5809 [2024-11-20 00:26:06,261 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:06,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:06,274 INFO L432 NwaCegarLoop]: 4793 mSDtfsCounter, 0 mSDsluCounter, 9580 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14373 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:06,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14373 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:26:06,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:06,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.4965495608531996) internal successors, (4771), 3188 states have internal predecessors, (4771), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:06,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4797 transitions. [2024-11-20 00:26:06,428 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4797 transitions. Word has length 895 [2024-11-20 00:26:06,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:06,432 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4797 transitions. [2024-11-20 00:26:06,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 208.25) internal successors, (833), 4 states have internal predecessors, (833), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4797 transitions. [2024-11-20 00:26:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2024-11-20 00:26:06,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:06,448 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:06,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 00:26:06,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:06,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:06,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1795013428, now seen corresponding path program 1 times [2024-11-20 00:26:06,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:06,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923940668] [2024-11-20 00:26:06,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-20 00:26:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-11-20 00:26:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-20 00:26:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-11-20 00:26:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-11-20 00:26:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-20 00:26:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-11-20 00:26:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-11-20 00:26:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:08,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923940668] [2024-11-20 00:26:08,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923940668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:08,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:08,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444394676] [2024-11-20 00:26:08,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:08,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:08,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:08,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:08,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:08,858 INFO L87 Difference]: Start difference. First operand 3203 states and 4797 transitions. Second operand has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:10,894 INFO L93 Difference]: Finished difference Result 8001 states and 11986 transitions. [2024-11-20 00:26:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:26:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 896 [2024-11-20 00:26:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:10,906 INFO L225 Difference]: With dead ends: 8001 [2024-11-20 00:26:10,907 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:10,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:26:10,912 INFO L432 NwaCegarLoop]: 7522 mSDtfsCounter, 7102 mSDsluCounter, 11296 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7110 SdHoareTripleChecker+Valid, 18818 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:10,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7110 Valid, 18818 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 00:26:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:10,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.4962358845671266) internal successors, (4770), 3188 states have internal predecessors, (4770), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4796 transitions. [2024-11-20 00:26:10,966 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4796 transitions. Word has length 896 [2024-11-20 00:26:10,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:10,966 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4796 transitions. [2024-11-20 00:26:10,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4796 transitions. [2024-11-20 00:26:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2024-11-20 00:26:10,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:10,973 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:10,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 00:26:10,974 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1215652237, now seen corresponding path program 1 times [2024-11-20 00:26:10,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812184726] [2024-11-20 00:26:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:13,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:13,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812184726] [2024-11-20 00:26:13,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812184726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:13,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:13,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:13,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717696530] [2024-11-20 00:26:13,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:13,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:13,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:13,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:13,197 INFO L87 Difference]: Start difference. First operand 3203 states and 4796 transitions. Second operand has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:14,676 INFO L93 Difference]: Finished difference Result 5808 states and 8696 transitions. [2024-11-20 00:26:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:14,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 897 [2024-11-20 00:26:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:14,686 INFO L225 Difference]: With dead ends: 5808 [2024-11-20 00:26:14,687 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:14,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:14,691 INFO L432 NwaCegarLoop]: 3745 mSDtfsCounter, 9002 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9007 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:14,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9007 Valid, 7492 Invalid, 2109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 00:26:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:14,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.495922208281054) internal successors, (4769), 3188 states have internal predecessors, (4769), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4795 transitions. [2024-11-20 00:26:14,737 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4795 transitions. Word has length 897 [2024-11-20 00:26:14,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:14,738 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4795 transitions. [2024-11-20 00:26:14,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.0) internal successors, (835), 5 states have internal predecessors, (835), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4795 transitions. [2024-11-20 00:26:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2024-11-20 00:26:14,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:14,745 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:14,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 00:26:14,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:14,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:14,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1242918383, now seen corresponding path program 1 times [2024-11-20 00:26:14,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:14,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337623650] [2024-11-20 00:26:14,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:14,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:16,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337623650] [2024-11-20 00:26:16,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337623650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:16,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:16,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303900709] [2024-11-20 00:26:16,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:16,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:16,450 INFO L87 Difference]: Start difference. First operand 3203 states and 4795 transitions. Second operand has 5 states, 5 states have (on average 167.2) internal successors, (836), 5 states have internal predecessors, (836), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:17,815 INFO L93 Difference]: Finished difference Result 5808 states and 8694 transitions. [2024-11-20 00:26:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:17,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.2) internal successors, (836), 5 states have internal predecessors, (836), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 898 [2024-11-20 00:26:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:17,823 INFO L225 Difference]: With dead ends: 5808 [2024-11-20 00:26:17,823 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:17,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:17,829 INFO L432 NwaCegarLoop]: 3745 mSDtfsCounter, 8810 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 2106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8815 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:17,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8815 Valid, 7492 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2106 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 00:26:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.4956085319949812) internal successors, (4768), 3188 states have internal predecessors, (4768), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4794 transitions. [2024-11-20 00:26:17,867 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4794 transitions. Word has length 898 [2024-11-20 00:26:17,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:17,868 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4794 transitions. [2024-11-20 00:26:17,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.2) internal successors, (836), 5 states have internal predecessors, (836), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4794 transitions. [2024-11-20 00:26:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2024-11-20 00:26:17,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:17,876 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:17,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 00:26:17,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:17,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 865428956, now seen corresponding path program 1 times [2024-11-20 00:26:17,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:17,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393218794] [2024-11-20 00:26:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:19,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:19,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393218794] [2024-11-20 00:26:19,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393218794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:19,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:19,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:19,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396227195] [2024-11-20 00:26:19,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:19,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:19,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:19,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:19,380 INFO L87 Difference]: Start difference. First operand 3203 states and 4794 transitions. Second operand has 5 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:20,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:20,665 INFO L93 Difference]: Finished difference Result 5808 states and 8692 transitions. [2024-11-20 00:26:20,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:20,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 899 [2024-11-20 00:26:20,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:20,675 INFO L225 Difference]: With dead ends: 5808 [2024-11-20 00:26:20,675 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:20,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:20,679 INFO L432 NwaCegarLoop]: 3745 mSDtfsCounter, 8618 mSDsluCounter, 3747 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8623 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:20,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8623 Valid, 7492 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 00:26:20,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:20,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.4952948557089083) internal successors, (4767), 3188 states have internal predecessors, (4767), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4793 transitions. [2024-11-20 00:26:20,719 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4793 transitions. Word has length 899 [2024-11-20 00:26:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:20,720 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4793 transitions. [2024-11-20 00:26:20,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4793 transitions. [2024-11-20 00:26:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2024-11-20 00:26:20,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:20,727 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:20,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 00:26:20,727 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:20,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash 64592184, now seen corresponding path program 1 times [2024-11-20 00:26:20,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:20,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756993367] [2024-11-20 00:26:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756993367] [2024-11-20 00:26:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756993367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:22,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:22,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904815795] [2024-11-20 00:26:22,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:22,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:22,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:22,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:22,166 INFO L87 Difference]: Start difference. First operand 3203 states and 4793 transitions. Second operand has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:23,442 INFO L93 Difference]: Finished difference Result 5808 states and 8690 transitions. [2024-11-20 00:26:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:23,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 900 [2024-11-20 00:26:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:23,451 INFO L225 Difference]: With dead ends: 5808 [2024-11-20 00:26:23,452 INFO L226 Difference]: Without dead ends: 3203 [2024-11-20 00:26:23,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:23,455 INFO L432 NwaCegarLoop]: 3745 mSDtfsCounter, 4390 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:23,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 7509 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2102 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 00:26:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-20 00:26:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3203. [2024-11-20 00:26:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3188 states have (on average 1.4949811794228356) internal successors, (4766), 3188 states have internal predecessors, (4766), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4792 transitions. [2024-11-20 00:26:23,501 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4792 transitions. Word has length 900 [2024-11-20 00:26:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:23,502 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 4792 transitions. [2024-11-20 00:26:23,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 167.6) internal successors, (838), 5 states have internal predecessors, (838), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 00:26:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4792 transitions. [2024-11-20 00:26:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2024-11-20 00:26:23,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:23,574 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:23,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 00:26:23,578 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:23,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:23,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2118902981, now seen corresponding path program 1 times [2024-11-20 00:26:23,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:23,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232279418] [2024-11-20 00:26:23,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:23,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:25,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:25,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232279418] [2024-11-20 00:26:25,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232279418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:25,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:26:25,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916116522] [2024-11-20 00:26:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:25,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:26:25,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:25,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:26:25,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:25,085 INFO L87 Difference]: Start difference. First operand 3203 states and 4792 transitions. Second operand has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:25,145 INFO L93 Difference]: Finished difference Result 5810 states and 8691 transitions. [2024-11-20 00:26:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:25,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 901 [2024-11-20 00:26:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:25,153 INFO L225 Difference]: With dead ends: 5810 [2024-11-20 00:26:25,153 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:25,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:25,156 INFO L432 NwaCegarLoop]: 4788 mSDtfsCounter, 0 mSDsluCounter, 9566 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14354 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:25,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14354 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:26:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4946708463949843) internal successors, (4768), 3190 states have internal predecessors, (4768), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4794 transitions. [2024-11-20 00:26:25,190 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4794 transitions. Word has length 901 [2024-11-20 00:26:25,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:25,190 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4794 transitions. [2024-11-20 00:26:25,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4794 transitions. [2024-11-20 00:26:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2024-11-20 00:26:25,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:25,198 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:25,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 00:26:25,198 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:25,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:25,199 INFO L85 PathProgramCache]: Analyzing trace with hash 163522333, now seen corresponding path program 1 times [2024-11-20 00:26:25,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:25,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324546493] [2024-11-20 00:26:25,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:25,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:27,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:27,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324546493] [2024-11-20 00:26:27,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324546493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:27,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:27,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:26:27,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924391909] [2024-11-20 00:26:27,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:27,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:26:27,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:26:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:27,081 INFO L87 Difference]: Start difference. First operand 3205 states and 4794 transitions. Second operand has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:27,296 INFO L93 Difference]: Finished difference Result 5812 states and 8692 transitions. [2024-11-20 00:26:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:27,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 902 [2024-11-20 00:26:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:27,310 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:27,310 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:27,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:27,315 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 4223 mSDsluCounter, 4678 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4223 SdHoareTripleChecker+Valid, 9354 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:27,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4223 Valid, 9354 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4940438871473354) internal successors, (4766), 3190 states have internal predecessors, (4766), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4792 transitions. [2024-11-20 00:26:27,350 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4792 transitions. Word has length 902 [2024-11-20 00:26:27,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:27,351 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4792 transitions. [2024-11-20 00:26:27,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4792 transitions. [2024-11-20 00:26:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2024-11-20 00:26:27,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:27,358 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 00:26:27,359 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:27,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:27,360 INFO L85 PathProgramCache]: Analyzing trace with hash 996408122, now seen corresponding path program 1 times [2024-11-20 00:26:27,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:27,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674090340] [2024-11-20 00:26:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:28,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:28,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674090340] [2024-11-20 00:26:28,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674090340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:28,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:28,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:28,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070531648] [2024-11-20 00:26:28,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:28,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:28,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:28,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:28,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:28,763 INFO L87 Difference]: Start difference. First operand 3205 states and 4792 transitions. Second operand has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:28,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:28,948 INFO L93 Difference]: Finished difference Result 5994 states and 8959 transitions. [2024-11-20 00:26:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:26:28,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 904 [2024-11-20 00:26:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:28,955 INFO L225 Difference]: With dead ends: 5994 [2024-11-20 00:26:28,959 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:28,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:26:28,965 INFO L432 NwaCegarLoop]: 4772 mSDtfsCounter, 4760 mSDsluCounter, 9462 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 14234 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:28,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 14234 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:26:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:28,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.493730407523511) internal successors, (4765), 3190 states have internal predecessors, (4765), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4791 transitions. [2024-11-20 00:26:28,999 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4791 transitions. Word has length 904 [2024-11-20 00:26:28,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:28,999 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4791 transitions. [2024-11-20 00:26:29,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4791 transitions. [2024-11-20 00:26:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2024-11-20 00:26:29,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:29,007 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:29,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 00:26:29,007 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:29,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1633223131, now seen corresponding path program 1 times [2024-11-20 00:26:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:29,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325984645] [2024-11-20 00:26:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:29,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:30,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:30,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325984645] [2024-11-20 00:26:30,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325984645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:30,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:30,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:30,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895930077] [2024-11-20 00:26:30,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:30,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:30,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:30,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:30,340 INFO L87 Difference]: Start difference. First operand 3205 states and 4791 transitions. Second operand has 5 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:30,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:30,547 INFO L93 Difference]: Finished difference Result 5812 states and 8686 transitions. [2024-11-20 00:26:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:30,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 905 [2024-11-20 00:26:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:30,553 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:30,553 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:30,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:30,555 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 9066 mSDsluCounter, 4678 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9079 SdHoareTripleChecker+Valid, 9354 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:30,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9079 Valid, 9354 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:30,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:30,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4934169278996865) internal successors, (4764), 3190 states have internal predecessors, (4764), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4790 transitions. [2024-11-20 00:26:30,586 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4790 transitions. Word has length 905 [2024-11-20 00:26:30,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:30,586 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4790 transitions. [2024-11-20 00:26:30,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4790 transitions. [2024-11-20 00:26:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2024-11-20 00:26:30,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:30,593 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:30,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 00:26:30,593 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:30,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1397121983, now seen corresponding path program 1 times [2024-11-20 00:26:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:30,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415929936] [2024-11-20 00:26:30,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:30,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:32,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:32,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415929936] [2024-11-20 00:26:32,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415929936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:32,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:32,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:32,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626425592] [2024-11-20 00:26:32,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:32,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:32,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:32,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:32,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:32,035 INFO L87 Difference]: Start difference. First operand 3205 states and 4790 transitions. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:32,242 INFO L93 Difference]: Finished difference Result 5812 states and 8684 transitions. [2024-11-20 00:26:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:32,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 906 [2024-11-20 00:26:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:32,247 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:32,247 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:32,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:32,250 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 4656 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4669 SdHoareTripleChecker+Valid, 9371 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:32,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4669 Valid, 9371 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:32,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:32,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.493103448275862) internal successors, (4763), 3190 states have internal predecessors, (4763), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4789 transitions. [2024-11-20 00:26:32,277 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4789 transitions. Word has length 906 [2024-11-20 00:26:32,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:32,278 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4789 transitions. [2024-11-20 00:26:32,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4789 transitions. [2024-11-20 00:26:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2024-11-20 00:26:32,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:32,288 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:32,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 00:26:32,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:32,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash -727923560, now seen corresponding path program 1 times [2024-11-20 00:26:32,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:32,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603517058] [2024-11-20 00:26:32,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:32,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:33,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:33,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603517058] [2024-11-20 00:26:33,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603517058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:33,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:33,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:33,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507069797] [2024-11-20 00:26:33,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:33,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:33,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:33,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:33,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:33,870 INFO L87 Difference]: Start difference. First operand 3205 states and 4789 transitions. Second operand has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:34,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:34,104 INFO L93 Difference]: Finished difference Result 5812 states and 8682 transitions. [2024-11-20 00:26:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:34,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 907 [2024-11-20 00:26:34,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:34,109 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:34,109 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:34,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:34,112 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 8678 mSDsluCounter, 4678 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8691 SdHoareTripleChecker+Valid, 9354 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:34,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8691 Valid, 9354 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:34,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4927899686520376) internal successors, (4762), 3190 states have internal predecessors, (4762), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4788 transitions. [2024-11-20 00:26:34,138 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4788 transitions. Word has length 907 [2024-11-20 00:26:34,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:34,139 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4788 transitions. [2024-11-20 00:26:34,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4788 transitions. [2024-11-20 00:26:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2024-11-20 00:26:34,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:34,145 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:34,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 00:26:34,145 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:34,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1786440179, now seen corresponding path program 1 times [2024-11-20 00:26:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:34,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463969323] [2024-11-20 00:26:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:35,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463969323] [2024-11-20 00:26:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463969323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:35,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:35,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:35,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632339434] [2024-11-20 00:26:35,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:35,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:35,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:35,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:35,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:35,540 INFO L87 Difference]: Start difference. First operand 3205 states and 4788 transitions. Second operand has 5 states, 5 states have (on average 169.2) internal successors, (846), 5 states have internal predecessors, (846), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:35,745 INFO L93 Difference]: Finished difference Result 5812 states and 8680 transitions. [2024-11-20 00:26:35,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:35,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 169.2) internal successors, (846), 5 states have internal predecessors, (846), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 908 [2024-11-20 00:26:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:35,751 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:35,751 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:35,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:35,753 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 4557 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 9371 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:35,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 9371 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4924764890282132) internal successors, (4761), 3190 states have internal predecessors, (4761), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4787 transitions. [2024-11-20 00:26:35,781 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4787 transitions. Word has length 908 [2024-11-20 00:26:35,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:35,781 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4787 transitions. [2024-11-20 00:26:35,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 169.2) internal successors, (846), 5 states have internal predecessors, (846), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4787 transitions. [2024-11-20 00:26:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2024-11-20 00:26:35,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:35,787 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:35,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 00:26:35,788 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:35,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1076780767, now seen corresponding path program 1 times [2024-11-20 00:26:35,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:35,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408176153] [2024-11-20 00:26:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:37,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408176153] [2024-11-20 00:26:37,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408176153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:37,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:37,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:37,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818420698] [2024-11-20 00:26:37,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:37,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:37,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:37,228 INFO L87 Difference]: Start difference. First operand 3205 states and 4787 transitions. Second operand has 5 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:37,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:37,433 INFO L93 Difference]: Finished difference Result 5812 states and 8678 transitions. [2024-11-20 00:26:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:37,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 909 [2024-11-20 00:26:37,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:37,438 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:37,438 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:37,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:37,441 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 4462 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 9371 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:37,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 9371 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:37,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:37,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4921630094043887) internal successors, (4760), 3190 states have internal predecessors, (4760), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4786 transitions. [2024-11-20 00:26:37,468 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4786 transitions. Word has length 909 [2024-11-20 00:26:37,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:37,469 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4786 transitions. [2024-11-20 00:26:37,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4786 transitions. [2024-11-20 00:26:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2024-11-20 00:26:37,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:37,475 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:37,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 00:26:37,476 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:37,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:37,476 INFO L85 PathProgramCache]: Analyzing trace with hash 739479265, now seen corresponding path program 1 times [2024-11-20 00:26:37,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218978469] [2024-11-20 00:26:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:39,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:39,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218978469] [2024-11-20 00:26:39,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218978469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:39,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:39,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:39,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823715810] [2024-11-20 00:26:39,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:39,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:39,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:39,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:39,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:39,027 INFO L87 Difference]: Start difference. First operand 3205 states and 4786 transitions. Second operand has 5 states, 5 states have (on average 169.6) internal successors, (848), 5 states have internal predecessors, (848), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:39,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:39,259 INFO L93 Difference]: Finished difference Result 5812 states and 8676 transitions. [2024-11-20 00:26:39,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:39,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 169.6) internal successors, (848), 5 states have internal predecessors, (848), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 910 [2024-11-20 00:26:39,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:39,264 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:39,265 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:39,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:39,268 INFO L432 NwaCegarLoop]: 4676 mSDtfsCounter, 8472 mSDsluCounter, 4678 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8485 SdHoareTripleChecker+Valid, 9354 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:39,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8485 Valid, 9354 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:26:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:39,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4918495297805643) internal successors, (4759), 3190 states have internal predecessors, (4759), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4785 transitions. [2024-11-20 00:26:39,295 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4785 transitions. Word has length 910 [2024-11-20 00:26:39,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:39,296 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4785 transitions. [2024-11-20 00:26:39,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 169.6) internal successors, (848), 5 states have internal predecessors, (848), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4785 transitions. [2024-11-20 00:26:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2024-11-20 00:26:39,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:39,302 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:39,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 00:26:39,302 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:39,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:39,303 INFO L85 PathProgramCache]: Analyzing trace with hash 950785112, now seen corresponding path program 1 times [2024-11-20 00:26:39,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:39,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898610869] [2024-11-20 00:26:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:41,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:41,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898610869] [2024-11-20 00:26:41,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898610869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:41,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:41,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:26:41,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255689525] [2024-11-20 00:26:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:41,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:26:41,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:26:41,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:26:41,214 INFO L87 Difference]: Start difference. First operand 3205 states and 4785 transitions. Second operand has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:41,756 INFO L93 Difference]: Finished difference Result 5812 states and 8674 transitions. [2024-11-20 00:26:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:41,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 911 [2024-11-20 00:26:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:41,763 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:41,766 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:41,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:41,769 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 4188 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4188 SdHoareTripleChecker+Valid, 8868 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:41,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4188 Valid, 8868 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:26:41,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4915360501567398) internal successors, (4758), 3190 states have internal predecessors, (4758), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4784 transitions. [2024-11-20 00:26:41,799 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4784 transitions. Word has length 911 [2024-11-20 00:26:41,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:41,799 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4784 transitions. [2024-11-20 00:26:41,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4784 transitions. [2024-11-20 00:26:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-11-20 00:26:41,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:41,806 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:41,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 00:26:41,806 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:41,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash -993006629, now seen corresponding path program 1 times [2024-11-20 00:26:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:41,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086765202] [2024-11-20 00:26:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:43,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086765202] [2024-11-20 00:26:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086765202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:43,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:43,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86200997] [2024-11-20 00:26:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:43,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:43,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:43,402 INFO L87 Difference]: Start difference. First operand 3205 states and 4784 transitions. Second operand has 5 states, 5 states have (on average 170.0) internal successors, (850), 5 states have internal predecessors, (850), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:43,791 INFO L93 Difference]: Finished difference Result 5992 states and 8937 transitions. [2024-11-20 00:26:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:26:43,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.0) internal successors, (850), 5 states have internal predecessors, (850), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 912 [2024-11-20 00:26:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:43,796 INFO L225 Difference]: With dead ends: 5992 [2024-11-20 00:26:43,796 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:43,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 00:26:43,798 INFO L432 NwaCegarLoop]: 4754 mSDtfsCounter, 4691 mSDsluCounter, 9201 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 13955 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:43,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 13955 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:26:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4912225705329154) internal successors, (4757), 3190 states have internal predecessors, (4757), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4783 transitions. [2024-11-20 00:26:43,822 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4783 transitions. Word has length 912 [2024-11-20 00:26:43,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:43,822 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4783 transitions. [2024-11-20 00:26:43,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.0) internal successors, (850), 5 states have internal predecessors, (850), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4783 transitions. [2024-11-20 00:26:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2024-11-20 00:26:43,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:43,828 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:43,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 00:26:43,829 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:43,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:43,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1798633602, now seen corresponding path program 1 times [2024-11-20 00:26:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:43,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852913003] [2024-11-20 00:26:43,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:44,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:44,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:45,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852913003] [2024-11-20 00:26:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852913003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:45,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:45,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:45,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924352898] [2024-11-20 00:26:45,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:45,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:45,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:45,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:45,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:45,021 INFO L87 Difference]: Start difference. First operand 3205 states and 4783 transitions. Second operand has 5 states, 5 states have (on average 170.2) internal successors, (851), 5 states have internal predecessors, (851), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:45,567 INFO L93 Difference]: Finished difference Result 5812 states and 8670 transitions. [2024-11-20 00:26:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:45,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.2) internal successors, (851), 5 states have internal predecessors, (851), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 913 [2024-11-20 00:26:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:45,571 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:45,571 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:45,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:45,574 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 4747 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 8885 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:45,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 8885 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:26:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.490909090909091) internal successors, (4756), 3190 states have internal predecessors, (4756), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4782 transitions. [2024-11-20 00:26:45,598 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4782 transitions. Word has length 913 [2024-11-20 00:26:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:45,599 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4782 transitions. [2024-11-20 00:26:45,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.2) internal successors, (851), 5 states have internal predecessors, (851), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4782 transitions. [2024-11-20 00:26:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2024-11-20 00:26:45,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:45,604 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:45,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 00:26:45,605 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1039158690, now seen corresponding path program 1 times [2024-11-20 00:26:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:45,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223061844] [2024-11-20 00:26:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:46,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:46,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223061844] [2024-11-20 00:26:46,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223061844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:46,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:46,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:46,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139699256] [2024-11-20 00:26:46,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:46,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:46,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:46,759 INFO L87 Difference]: Start difference. First operand 3205 states and 4782 transitions. Second operand has 5 states, 5 states have (on average 170.4) internal successors, (852), 5 states have internal predecessors, (852), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:47,258 INFO L93 Difference]: Finished difference Result 5812 states and 8668 transitions. [2024-11-20 00:26:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:47,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.4) internal successors, (852), 5 states have internal predecessors, (852), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 914 [2024-11-20 00:26:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:47,262 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:47,262 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:47,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:47,265 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 4743 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4756 SdHoareTripleChecker+Valid, 8885 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:47,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4756 Valid, 8885 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:26:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4905956112852665) internal successors, (4755), 3190 states have internal predecessors, (4755), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4781 transitions. [2024-11-20 00:26:47,305 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4781 transitions. Word has length 914 [2024-11-20 00:26:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:47,305 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4781 transitions. [2024-11-20 00:26:47,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.4) internal successors, (852), 5 states have internal predecessors, (852), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4781 transitions. [2024-11-20 00:26:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2024-11-20 00:26:47,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:47,312 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:47,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 00:26:47,312 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:47,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash 912946985, now seen corresponding path program 1 times [2024-11-20 00:26:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:47,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679867019] [2024-11-20 00:26:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:48,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:48,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679867019] [2024-11-20 00:26:48,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679867019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:48,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:48,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:48,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061681067] [2024-11-20 00:26:48,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:48,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:48,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:48,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:48,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:48,917 INFO L87 Difference]: Start difference. First operand 3205 states and 4781 transitions. Second operand has 5 states, 5 states have (on average 170.6) internal successors, (853), 5 states have internal predecessors, (853), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:49,429 INFO L93 Difference]: Finished difference Result 5812 states and 8666 transitions. [2024-11-20 00:26:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:49,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.6) internal successors, (853), 5 states have internal predecessors, (853), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 915 [2024-11-20 00:26:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:49,433 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:49,433 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:49,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:49,437 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 9020 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9033 SdHoareTripleChecker+Valid, 8868 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:49,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9033 Valid, 8868 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:26:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.490282131661442) internal successors, (4754), 3190 states have internal predecessors, (4754), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4780 transitions. [2024-11-20 00:26:49,469 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4780 transitions. Word has length 915 [2024-11-20 00:26:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:49,470 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4780 transitions. [2024-11-20 00:26:49,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.6) internal successors, (853), 5 states have internal predecessors, (853), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4780 transitions. [2024-11-20 00:26:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 917 [2024-11-20 00:26:49,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:49,476 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:49,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 00:26:49,477 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:49,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:49,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1400166121, now seen corresponding path program 1 times [2024-11-20 00:26:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:49,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565427010] [2024-11-20 00:26:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:49,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565427010] [2024-11-20 00:26:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565427010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:51,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:51,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:51,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016194849] [2024-11-20 00:26:51,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:51,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:51,273 INFO L87 Difference]: Start difference. First operand 3205 states and 4780 transitions. Second operand has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:51,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:51,704 INFO L93 Difference]: Finished difference Result 5812 states and 8664 transitions. [2024-11-20 00:26:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:51,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 916 [2024-11-20 00:26:51,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:51,708 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:51,709 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:51,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:51,712 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 9012 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9025 SdHoareTripleChecker+Valid, 8868 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:51,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9025 Valid, 8868 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:26:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4899686520376176) internal successors, (4753), 3190 states have internal predecessors, (4753), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4779 transitions. [2024-11-20 00:26:51,750 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4779 transitions. Word has length 916 [2024-11-20 00:26:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:51,751 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4779 transitions. [2024-11-20 00:26:51,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4779 transitions. [2024-11-20 00:26:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2024-11-20 00:26:51,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:51,758 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:51,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 00:26:51,758 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:51,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:51,759 INFO L85 PathProgramCache]: Analyzing trace with hash -890325680, now seen corresponding path program 1 times [2024-11-20 00:26:51,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:51,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931560846] [2024-11-20 00:26:51,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:51,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:53,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:53,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931560846] [2024-11-20 00:26:53,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931560846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:53,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:53,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:53,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450299362] [2024-11-20 00:26:53,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:53,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:53,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:53,139 INFO L87 Difference]: Start difference. First operand 3205 states and 4779 transitions. Second operand has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:53,737 INFO L93 Difference]: Finished difference Result 5812 states and 8662 transitions. [2024-11-20 00:26:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:53,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 917 [2024-11-20 00:26:53,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:53,744 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:53,745 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:53,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:53,754 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 4731 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4744 SdHoareTripleChecker+Valid, 8885 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:53,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4744 Valid, 8885 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:26:53,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:53,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4896551724137932) internal successors, (4752), 3190 states have internal predecessors, (4752), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:53,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4778 transitions. [2024-11-20 00:26:53,811 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4778 transitions. Word has length 917 [2024-11-20 00:26:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:53,815 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4778 transitions. [2024-11-20 00:26:53,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4778 transitions. [2024-11-20 00:26:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2024-11-20 00:26:53,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:53,829 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:53,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 00:26:53,829 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:53,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:53,830 INFO L85 PathProgramCache]: Analyzing trace with hash 868370352, now seen corresponding path program 1 times [2024-11-20 00:26:53,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:53,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135652793] [2024-11-20 00:26:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:53,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:55,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:55,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135652793] [2024-11-20 00:26:55,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135652793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:55,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:55,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:55,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325741894] [2024-11-20 00:26:55,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:55,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:55,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:55,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:55,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:55,299 INFO L87 Difference]: Start difference. First operand 3205 states and 4778 transitions. Second operand has 5 states, 5 states have (on average 171.2) internal successors, (856), 5 states have internal predecessors, (856), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:55,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:55,858 INFO L93 Difference]: Finished difference Result 5812 states and 8660 transitions. [2024-11-20 00:26:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:55,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 171.2) internal successors, (856), 5 states have internal predecessors, (856), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 918 [2024-11-20 00:26:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:55,862 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:55,862 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:55,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:55,864 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 8996 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9009 SdHoareTripleChecker+Valid, 8868 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:55,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9009 Valid, 8868 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 00:26:55,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4893416927899688) internal successors, (4751), 3190 states have internal predecessors, (4751), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4777 transitions. [2024-11-20 00:26:55,899 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4777 transitions. Word has length 918 [2024-11-20 00:26:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:55,900 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4777 transitions. [2024-11-20 00:26:55,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 171.2) internal successors, (856), 5 states have internal predecessors, (856), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4777 transitions. [2024-11-20 00:26:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2024-11-20 00:26:55,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:55,907 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:55,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 00:26:55,907 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:55,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:55,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2104986889, now seen corresponding path program 1 times [2024-11-20 00:26:55,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:55,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42444112] [2024-11-20 00:26:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:57,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:57,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42444112] [2024-11-20 00:26:57,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42444112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:57,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:57,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800172394] [2024-11-20 00:26:57,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:57,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:57,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:57,450 INFO L87 Difference]: Start difference. First operand 3205 states and 4777 transitions. Second operand has 5 states, 5 states have (on average 171.4) internal successors, (857), 5 states have internal predecessors, (857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:57,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:57,875 INFO L93 Difference]: Finished difference Result 5812 states and 8658 transitions. [2024-11-20 00:26:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:57,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 171.4) internal successors, (857), 5 states have internal predecessors, (857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 919 [2024-11-20 00:26:57,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:57,879 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:57,879 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:57,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:57,881 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 4723 mSDsluCounter, 4452 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 8885 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:57,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 8885 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:26:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:57,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4890282131661443) internal successors, (4750), 3190 states have internal predecessors, (4750), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4776 transitions. [2024-11-20 00:26:57,911 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4776 transitions. Word has length 919 [2024-11-20 00:26:57,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:57,911 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4776 transitions. [2024-11-20 00:26:57,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 171.4) internal successors, (857), 5 states have internal predecessors, (857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4776 transitions. [2024-11-20 00:26:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2024-11-20 00:26:57,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:57,917 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:57,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 00:26:57,918 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:57,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:57,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1214078967, now seen corresponding path program 1 times [2024-11-20 00:26:57,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:57,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213889364] [2024-11-20 00:26:57,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:57,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:26:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-20 00:26:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 00:26:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-20 00:26:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-20 00:26:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-20 00:26:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 00:26:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-20 00:26:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-20 00:26:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-20 00:26:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2024-11-20 00:26:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-20 00:26:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-20 00:26:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-20 00:26:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:26:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-20 00:26:59,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:26:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213889364] [2024-11-20 00:26:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213889364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:26:59,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:26:59,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:26:59,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247732031] [2024-11-20 00:26:59,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:26:59,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:26:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:26:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:26:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:26:59,487 INFO L87 Difference]: Start difference. First operand 3205 states and 4776 transitions. Second operand has 5 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:59,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:26:59,884 INFO L93 Difference]: Finished difference Result 5812 states and 8656 transitions. [2024-11-20 00:26:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:26:59,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 920 [2024-11-20 00:26:59,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:26:59,888 INFO L225 Difference]: With dead ends: 5812 [2024-11-20 00:26:59,891 INFO L226 Difference]: Without dead ends: 3205 [2024-11-20 00:26:59,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:26:59,894 INFO L432 NwaCegarLoop]: 4433 mSDtfsCounter, 8816 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8829 SdHoareTripleChecker+Valid, 8868 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:26:59,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8829 Valid, 8868 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:26:59,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-20 00:26:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2024-11-20 00:26:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3190 states have (on average 1.4887147335423196) internal successors, (4749), 3190 states have internal predecessors, (4749), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 00:26:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4775 transitions. [2024-11-20 00:26:59,955 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4775 transitions. Word has length 920 [2024-11-20 00:26:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:26:59,956 INFO L471 AbstractCegarLoop]: Abstraction has 3205 states and 4775 transitions. [2024-11-20 00:26:59,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-20 00:26:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4775 transitions. [2024-11-20 00:26:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2024-11-20 00:26:59,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:26:59,961 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:26:59,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 00:26:59,962 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:26:59,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:26:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1871241561, now seen corresponding path program 1 times [2024-11-20 00:26:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:26:59,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302398001] [2024-11-20 00:26:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:26:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms