./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 06:30:19,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 06:30:19,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 06:30:19,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 06:30:19,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 06:30:19,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 06:30:19,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 06:30:19,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 06:30:19,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 06:30:19,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 06:30:19,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 06:30:19,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 06:30:19,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 06:30:19,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 06:30:19,408 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 06:30:19,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 06:30:19,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 06:30:19,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 06:30:19,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 06:30:19,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 06:30:19,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 06:30:19,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 06:30:19,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 06:30:19,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 06:30:19,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 06:30:19,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 06:30:19,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 06:30:19,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 06:30:19,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 06:30:19,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 06:30:19,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 06:30:19,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 06:30:19,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:30:19,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 06:30:19,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 06:30:19,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 06:30:19,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 06:30:19,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 06:30:19,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 06:30:19,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 06:30:19,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 06:30:19,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 06:30:19,420 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 [2024-10-13 06:30:19,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 06:30:19,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 06:30:19,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 06:30:19,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 06:30:19,743 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 06:30:19,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2024-10-13 06:30:21,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 06:30:21,496 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 06:30:21,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2024-10-13 06:30:21,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5848dfd21/f8e5e5a3c7da4beab669a0354b77167f/FLAG4f3dbcf05 [2024-10-13 06:30:21,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5848dfd21/f8e5e5a3c7da4beab669a0354b77167f [2024-10-13 06:30:21,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 06:30:21,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 06:30:21,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 06:30:21,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 06:30:21,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 06:30:21,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:30:21" (1/1) ... [2024-10-13 06:30:21,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec868a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:21, skipping insertion in model container [2024-10-13 06:30:21,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:30:21" (1/1) ... [2024-10-13 06:30:21,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 06:30:22,092 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2024-10-13 06:30:22,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:30:22,157 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 06:30:22,167 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2024-10-13 06:30:22,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:30:22,263 INFO L204 MainTranslator]: Completed translation [2024-10-13 06:30:22,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22 WrapperNode [2024-10-13 06:30:22,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 06:30:22,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 06:30:22,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 06:30:22,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 06:30:22,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,374 INFO L138 Inliner]: procedures = 26, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 344 [2024-10-13 06:30:22,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 06:30:22,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 06:30:22,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 06:30:22,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 06:30:22,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,418 INFO L175 MemorySlicer]: Split 96 memory accesses to 2 slices as follows [2, 94]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 16 writes are split as follows [0, 16]. [2024-10-13 06:30:22,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 06:30:22,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 06:30:22,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 06:30:22,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 06:30:22,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (1/1) ... [2024-10-13 06:30:22,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:30:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:30:22,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 06:30:22,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 06:30:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 06:30:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 06:30:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 06:30:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 06:30:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 06:30:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 06:30:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 06:30:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 06:30:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 06:30:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 06:30:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 06:30:22,646 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 06:30:22,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 06:30:23,078 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-10-13 06:30:23,078 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 06:30:23,126 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 06:30:23,126 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 06:30:23,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:30:23 BoogieIcfgContainer [2024-10-13 06:30:23,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 06:30:23,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 06:30:23,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 06:30:23,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 06:30:23,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:30:21" (1/3) ... [2024-10-13 06:30:23,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1a1970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:30:23, skipping insertion in model container [2024-10-13 06:30:23,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:30:22" (2/3) ... [2024-10-13 06:30:23,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1a1970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:30:23, skipping insertion in model container [2024-10-13 06:30:23,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:30:23" (3/3) ... [2024-10-13 06:30:23,139 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-59.i [2024-10-13 06:30:23,157 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 06:30:23,160 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 06:30:23,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 06:30:23,252 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;@2e2ab89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 06:30:23,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 06:30:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 06:30:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-13 06:30:23,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:23,274 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:23,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:23,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1274874336, now seen corresponding path program 1 times [2024-10-13 06:30:23,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:23,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895873856] [2024-10-13 06:30:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:23,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:23,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895873856] [2024-10-13 06:30:23,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895873856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:23,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:23,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 06:30:23,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923606170] [2024-10-13 06:30:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:23,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 06:30:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:23,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 06:30:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:30:23,806 INFO L87 Difference]: Start difference. First operand has 77 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 06:30:23,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:23,859 INFO L93 Difference]: Finished difference Result 151 states and 246 transitions. [2024-10-13 06:30:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 06:30:23,862 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 126 [2024-10-13 06:30:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:23,871 INFO L225 Difference]: With dead ends: 151 [2024-10-13 06:30:23,872 INFO L226 Difference]: Without dead ends: 75 [2024-10-13 06:30:23,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:30:23,880 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:23,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:30:23,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-13 06:30:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-13 06:30:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-13 06:30:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2024-10-13 06:30:23,992 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 126 [2024-10-13 06:30:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:23,997 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2024-10-13 06:30:23,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-13 06:30:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2024-10-13 06:30:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-13 06:30:24,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:24,003 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:24,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 06:30:24,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:24,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:24,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1969371388, now seen corresponding path program 1 times [2024-10-13 06:30:24,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:24,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109468540] [2024-10-13 06:30:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:24,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:24,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109468540] [2024-10-13 06:30:24,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109468540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:24,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:24,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:30:24,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671810725] [2024-10-13 06:30:24,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:24,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:30:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:24,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:30:24,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:30:24,764 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:25,182 INFO L93 Difference]: Finished difference Result 224 states and 329 transitions. [2024-10-13 06:30:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:30:25,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2024-10-13 06:30:25,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:25,188 INFO L225 Difference]: With dead ends: 224 [2024-10-13 06:30:25,188 INFO L226 Difference]: Without dead ends: 150 [2024-10-13 06:30:25,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:25,191 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 71 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:25,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 219 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:30:25,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-13 06:30:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 141. [2024-10-13 06:30:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.3235294117647058) internal successors, (135), 102 states have internal predecessors, (135), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-13 06:30:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2024-10-13 06:30:25,240 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 126 [2024-10-13 06:30:25,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:25,242 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2024-10-13 06:30:25,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2024-10-13 06:30:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:25,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:25,245 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:25,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 06:30:25,246 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:25,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:25,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1486759156, now seen corresponding path program 1 times [2024-10-13 06:30:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:25,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392665720] [2024-10-13 06:30:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:25,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:25,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392665720] [2024-10-13 06:30:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392665720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:30:25,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941873125] [2024-10-13 06:30:25,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:25,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:30:25,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:25,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:30:25,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:30:25,405 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:25,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:25,448 INFO L93 Difference]: Finished difference Result 238 states and 353 transitions. [2024-10-13 06:30:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:30:25,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:25,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:25,456 INFO L225 Difference]: With dead ends: 238 [2024-10-13 06:30:25,456 INFO L226 Difference]: Without dead ends: 143 [2024-10-13 06:30:25,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:30:25,461 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:25,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:30:25,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-13 06:30:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-10-13 06:30:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 104 states have (on average 1.3173076923076923) internal successors, (137), 104 states have internal predecessors, (137), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-13 06:30:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 209 transitions. [2024-10-13 06:30:25,486 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 209 transitions. Word has length 128 [2024-10-13 06:30:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:25,487 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 209 transitions. [2024-10-13 06:30:25,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2024-10-13 06:30:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:25,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:25,490 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:25,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 06:30:25,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:25,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:25,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1219860238, now seen corresponding path program 1 times [2024-10-13 06:30:25,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:25,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978077175] [2024-10-13 06:30:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:26,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:26,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978077175] [2024-10-13 06:30:26,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978077175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:26,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:26,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:30:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485659611] [2024-10-13 06:30:26,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:26,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:30:26,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:26,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:30:26,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:30:26,593 INFO L87 Difference]: Start difference. First operand 143 states and 209 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:26,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:26,855 INFO L93 Difference]: Finished difference Result 309 states and 454 transitions. [2024-10-13 06:30:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:30:26,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:26,858 INFO L225 Difference]: With dead ends: 309 [2024-10-13 06:30:26,860 INFO L226 Difference]: Without dead ends: 218 [2024-10-13 06:30:26,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:30:26,862 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:26,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 154 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:26,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-10-13 06:30:26,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-10-13 06:30:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 158 states have (on average 1.3164556962025316) internal successors, (208), 158 states have internal predecessors, (208), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 06:30:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 316 transitions. [2024-10-13 06:30:26,909 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 316 transitions. Word has length 128 [2024-10-13 06:30:26,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:26,912 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 316 transitions. [2024-10-13 06:30:26,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 316 transitions. [2024-10-13 06:30:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:26,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:26,913 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:26,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 06:30:26,914 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:26,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1478025676, now seen corresponding path program 1 times [2024-10-13 06:30:26,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:26,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879883721] [2024-10-13 06:30:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:27,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:27,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879883721] [2024-10-13 06:30:27,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879883721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:27,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:27,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:30:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870635497] [2024-10-13 06:30:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:27,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:30:27,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:30:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:30:27,966 INFO L87 Difference]: Start difference. First operand 216 states and 316 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:28,229 INFO L93 Difference]: Finished difference Result 379 states and 555 transitions. [2024-10-13 06:30:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:30:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:28,232 INFO L225 Difference]: With dead ends: 379 [2024-10-13 06:30:28,233 INFO L226 Difference]: Without dead ends: 218 [2024-10-13 06:30:28,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:30:28,235 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 56 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:28,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 155 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:28,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-10-13 06:30:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-10-13 06:30:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 158 states have internal predecessors, (206), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 06:30:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 314 transitions. [2024-10-13 06:30:28,268 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 314 transitions. Word has length 128 [2024-10-13 06:30:28,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:28,269 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 314 transitions. [2024-10-13 06:30:28,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 314 transitions. [2024-10-13 06:30:28,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:28,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:28,273 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:28,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 06:30:28,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:28,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:28,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2136883250, now seen corresponding path program 1 times [2024-10-13 06:30:28,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:28,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60899564] [2024-10-13 06:30:28,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:29,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60899564] [2024-10-13 06:30:29,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60899564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:29,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:29,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966649811] [2024-10-13 06:30:29,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:29,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:29,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:29,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:29,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:29,982 INFO L87 Difference]: Start difference. First operand 216 states and 314 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:30,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:30,214 INFO L93 Difference]: Finished difference Result 437 states and 637 transitions. [2024-10-13 06:30:30,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:30,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:30,217 INFO L225 Difference]: With dead ends: 437 [2024-10-13 06:30:30,218 INFO L226 Difference]: Without dead ends: 283 [2024-10-13 06:30:30,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:30,221 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 33 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:30,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 394 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-13 06:30:30,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 231. [2024-10-13 06:30:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 173 states have (on average 1.300578034682081) internal successors, (225), 173 states have internal predecessors, (225), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 06:30:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 333 transitions. [2024-10-13 06:30:30,253 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 333 transitions. Word has length 128 [2024-10-13 06:30:30,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:30,253 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 333 transitions. [2024-10-13 06:30:30,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2024-10-13 06:30:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:30,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:30,255 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:30,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 06:30:30,256 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:30,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1348737420, now seen corresponding path program 1 times [2024-10-13 06:30:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:30,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056558749] [2024-10-13 06:30:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:30,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:30,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:30,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056558749] [2024-10-13 06:30:30,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056558749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:30,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:30,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:30,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936481508] [2024-10-13 06:30:30,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:30,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:30,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:30,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:30,473 INFO L87 Difference]: Start difference. First operand 231 states and 333 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:30,742 INFO L93 Difference]: Finished difference Result 445 states and 644 transitions. [2024-10-13 06:30:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:30,745 INFO L225 Difference]: With dead ends: 445 [2024-10-13 06:30:30,745 INFO L226 Difference]: Without dead ends: 275 [2024-10-13 06:30:30,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:30,747 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 70 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:30,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 271 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-10-13 06:30:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 243. [2024-10-13 06:30:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 185 states have internal predecessors, (241), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 06:30:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 349 transitions. [2024-10-13 06:30:30,770 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 349 transitions. Word has length 128 [2024-10-13 06:30:30,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:30,770 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 349 transitions. [2024-10-13 06:30:30,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 349 transitions. [2024-10-13 06:30:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 06:30:30,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:30,772 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:30,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 06:30:30,773 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:30,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1435818672, now seen corresponding path program 1 times [2024-10-13 06:30:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:30,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376397306] [2024-10-13 06:30:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:30,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376397306] [2024-10-13 06:30:30,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376397306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:30,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:30,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:30,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425054274] [2024-10-13 06:30:30,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:30,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:30,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:30,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:30,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:30,968 INFO L87 Difference]: Start difference. First operand 243 states and 349 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:31,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:31,240 INFO L93 Difference]: Finished difference Result 456 states and 657 transitions. [2024-10-13 06:30:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:31,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-10-13 06:30:31,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:31,243 INFO L225 Difference]: With dead ends: 456 [2024-10-13 06:30:31,243 INFO L226 Difference]: Without dead ends: 271 [2024-10-13 06:30:31,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:31,247 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 72 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:31,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 271 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:31,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-13 06:30:31,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 239. [2024-10-13 06:30:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 181 states have (on average 1.298342541436464) internal successors, (235), 181 states have internal predecessors, (235), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 06:30:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 343 transitions. [2024-10-13 06:30:31,276 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 343 transitions. Word has length 128 [2024-10-13 06:30:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:31,276 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 343 transitions. [2024-10-13 06:30:31,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 343 transitions. [2024-10-13 06:30:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-13 06:30:31,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:31,278 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:31,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 06:30:31,279 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:31,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:31,279 INFO L85 PathProgramCache]: Analyzing trace with hash -528445380, now seen corresponding path program 1 times [2024-10-13 06:30:31,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:31,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664310654] [2024-10-13 06:30:31,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:31,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:31,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:31,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664310654] [2024-10-13 06:30:31,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664310654] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:31,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:31,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811961094] [2024-10-13 06:30:31,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:31,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:31,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:31,629 INFO L87 Difference]: Start difference. First operand 239 states and 343 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:31,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:31,834 INFO L93 Difference]: Finished difference Result 549 states and 783 transitions. [2024-10-13 06:30:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:31,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-10-13 06:30:31,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:31,837 INFO L225 Difference]: With dead ends: 549 [2024-10-13 06:30:31,837 INFO L226 Difference]: Without dead ends: 378 [2024-10-13 06:30:31,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:30:31,839 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:31,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 497 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:31,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-13 06:30:31,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 374. [2024-10-13 06:30:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 298 states have (on average 1.3020134228187918) internal successors, (388), 300 states have internal predecessors, (388), 70 states have call successors, (70), 5 states have call predecessors, (70), 5 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 06:30:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 528 transitions. [2024-10-13 06:30:31,869 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 528 transitions. Word has length 130 [2024-10-13 06:30:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:31,869 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 528 transitions. [2024-10-13 06:30:31,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 528 transitions. [2024-10-13 06:30:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-13 06:30:31,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:31,871 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:31,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 06:30:31,872 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:31,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:31,873 INFO L85 PathProgramCache]: Analyzing trace with hash 594145421, now seen corresponding path program 1 times [2024-10-13 06:30:31,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:31,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300793485] [2024-10-13 06:30:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:31,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 06:30:32,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003192140] [2024-10-13 06:30:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:32,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:30:32,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:30:32,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 06:30:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:32,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 06:30:32,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:30:32,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:32,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2024-10-13 06:30:32,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:32,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2024-10-13 06:30:33,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:33,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 55 [2024-10-13 06:30:33,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:33,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 26 [2024-10-13 06:30:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:33,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 06:30:33,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:33,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300793485] [2024-10-13 06:30:33,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 06:30:33,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003192140] [2024-10-13 06:30:33,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003192140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:33,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:33,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:33,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066697636] [2024-10-13 06:30:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:33,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:30:33,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:33,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:30:33,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:33,306 INFO L87 Difference]: Start difference. First operand 374 states and 528 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:34,328 INFO L93 Difference]: Finished difference Result 684 states and 964 transitions. [2024-10-13 06:30:34,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:30:34,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2024-10-13 06:30:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:34,338 INFO L225 Difference]: With dead ends: 684 [2024-10-13 06:30:34,338 INFO L226 Difference]: Without dead ends: 392 [2024-10-13 06:30:34,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 06:30:34,340 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 80 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:34,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 402 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 06:30:34,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-13 06:30:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 374. [2024-10-13 06:30:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 298 states have (on average 1.2986577181208054) internal successors, (387), 300 states have internal predecessors, (387), 70 states have call successors, (70), 5 states have call predecessors, (70), 5 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 06:30:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 527 transitions. [2024-10-13 06:30:34,372 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 527 transitions. Word has length 131 [2024-10-13 06:30:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:34,372 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 527 transitions. [2024-10-13 06:30:34,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 527 transitions. [2024-10-13 06:30:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 06:30:34,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:34,375 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:34,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 06:30:34,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 06:30:34,576 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:34,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1656882839, now seen corresponding path program 1 times [2024-10-13 06:30:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424216683] [2024-10-13 06:30:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 06:30:34,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892330082] [2024-10-13 06:30:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:30:34,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:30:34,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 06:30:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:34,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-13 06:30:34,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:30:34,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:34,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:35,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:35,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:36,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:36,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:36,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:36,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2024-10-13 06:30:36,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:36,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 37 [2024-10-13 06:30:36,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:36,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 50 [2024-10-13 06:30:36,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:36,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 24 [2024-10-13 06:30:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:36,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 06:30:36,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:36,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424216683] [2024-10-13 06:30:36,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 06:30:36,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892330082] [2024-10-13 06:30:36,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892330082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:36,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:36,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:36,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990584664] [2024-10-13 06:30:36,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:36,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:30:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:36,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:30:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:36,728 INFO L87 Difference]: Start difference. First operand 374 states and 527 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:37,232 INFO L93 Difference]: Finished difference Result 672 states and 950 transitions. [2024-10-13 06:30:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:30:37,235 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 132 [2024-10-13 06:30:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:37,239 INFO L225 Difference]: With dead ends: 672 [2024-10-13 06:30:37,239 INFO L226 Difference]: Without dead ends: 378 [2024-10-13 06:30:37,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:30:37,241 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 27 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:37,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 254 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:30:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-13 06:30:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 369. [2024-10-13 06:30:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 293 states have (on average 1.2935153583617747) internal successors, (379), 295 states have internal predecessors, (379), 70 states have call successors, (70), 5 states have call predecessors, (70), 5 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 06:30:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 519 transitions. [2024-10-13 06:30:37,269 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 519 transitions. Word has length 132 [2024-10-13 06:30:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:37,269 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 519 transitions. [2024-10-13 06:30:37,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 519 transitions. [2024-10-13 06:30:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-13 06:30:37,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:37,271 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:37,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 06:30:37,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 06:30:37,476 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:37,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1865115992, now seen corresponding path program 1 times [2024-10-13 06:30:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198192011] [2024-10-13 06:30:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:39,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:39,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198192011] [2024-10-13 06:30:39,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198192011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:39,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:39,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127904143] [2024-10-13 06:30:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:39,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:30:39,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:39,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:30:39,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:39,355 INFO L87 Difference]: Start difference. First operand 369 states and 519 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:39,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:39,796 INFO L93 Difference]: Finished difference Result 780 states and 1096 transitions. [2024-10-13 06:30:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:30:39,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-10-13 06:30:39,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:39,800 INFO L225 Difference]: With dead ends: 780 [2024-10-13 06:30:39,800 INFO L226 Difference]: Without dead ends: 495 [2024-10-13 06:30:39,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:30:39,803 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 45 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:39,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 665 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:30:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-10-13 06:30:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 491. [2024-10-13 06:30:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 405 states have (on average 1.2987654320987654) internal successors, (526), 409 states have internal predecessors, (526), 78 states have call successors, (78), 7 states have call predecessors, (78), 7 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 06:30:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 682 transitions. [2024-10-13 06:30:39,841 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 682 transitions. Word has length 133 [2024-10-13 06:30:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:39,841 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 682 transitions. [2024-10-13 06:30:39,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 682 transitions. [2024-10-13 06:30:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-13 06:30:39,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:39,845 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:39,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 06:30:39,845 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:39,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:39,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1620504678, now seen corresponding path program 1 times [2024-10-13 06:30:39,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:39,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364072951] [2024-10-13 06:30:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:39,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:40,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:40,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364072951] [2024-10-13 06:30:40,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364072951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:40,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:40,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:40,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216045431] [2024-10-13 06:30:40,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:40,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:40,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:40,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:40,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:40,482 INFO L87 Difference]: Start difference. First operand 491 states and 682 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:40,670 INFO L93 Difference]: Finished difference Result 880 states and 1232 transitions. [2024-10-13 06:30:40,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:40,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-10-13 06:30:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:40,674 INFO L225 Difference]: With dead ends: 880 [2024-10-13 06:30:40,674 INFO L226 Difference]: Without dead ends: 487 [2024-10-13 06:30:40,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:40,677 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 28 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:40,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 369 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-10-13 06:30:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 485. [2024-10-13 06:30:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 399 states have (on average 1.2932330827067668) internal successors, (516), 403 states have internal predecessors, (516), 78 states have call successors, (78), 7 states have call predecessors, (78), 7 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 06:30:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 672 transitions. [2024-10-13 06:30:40,711 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 672 transitions. Word has length 133 [2024-10-13 06:30:40,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:40,712 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 672 transitions. [2024-10-13 06:30:40,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 672 transitions. [2024-10-13 06:30:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-13 06:30:40,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:40,714 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:40,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 06:30:40,715 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:40,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 435706598, now seen corresponding path program 1 times [2024-10-13 06:30:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557817346] [2024-10-13 06:30:40,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:40,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557817346] [2024-10-13 06:30:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557817346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:41,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:41,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:41,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337916767] [2024-10-13 06:30:41,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:41,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:41,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:41,372 INFO L87 Difference]: Start difference. First operand 485 states and 672 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:41,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:41,542 INFO L93 Difference]: Finished difference Result 878 states and 1225 transitions. [2024-10-13 06:30:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:41,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-10-13 06:30:41,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:41,546 INFO L225 Difference]: With dead ends: 878 [2024-10-13 06:30:41,546 INFO L226 Difference]: Without dead ends: 487 [2024-10-13 06:30:41,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:41,547 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 28 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:41,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 358 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:30:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-10-13 06:30:41,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 485. [2024-10-13 06:30:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 399 states have (on average 1.2857142857142858) internal successors, (513), 403 states have internal predecessors, (513), 78 states have call successors, (78), 7 states have call predecessors, (78), 7 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 06:30:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 669 transitions. [2024-10-13 06:30:41,577 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 669 transitions. Word has length 133 [2024-10-13 06:30:41,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:41,578 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 669 transitions. [2024-10-13 06:30:41,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 669 transitions. [2024-10-13 06:30:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-13 06:30:41,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:41,580 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:41,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 06:30:41,580 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:41,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:41,581 INFO L85 PathProgramCache]: Analyzing trace with hash -373640028, now seen corresponding path program 1 times [2024-10-13 06:30:41,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:41,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230500605] [2024-10-13 06:30:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:41,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:41,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230500605] [2024-10-13 06:30:41,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230500605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:41,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:41,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:41,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372195938] [2024-10-13 06:30:41,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:41,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:30:41,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:41,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:30:41,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:41,894 INFO L87 Difference]: Start difference. First operand 485 states and 669 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:42,124 INFO L93 Difference]: Finished difference Result 894 states and 1237 transitions. [2024-10-13 06:30:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:30:42,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-10-13 06:30:42,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:42,128 INFO L225 Difference]: With dead ends: 894 [2024-10-13 06:30:42,128 INFO L226 Difference]: Without dead ends: 511 [2024-10-13 06:30:42,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:30:42,130 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 48 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:42,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 721 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-10-13 06:30:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 507. [2024-10-13 06:30:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 415 states have (on average 1.272289156626506) internal successors, (528), 419 states have internal predecessors, (528), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 692 transitions. [2024-10-13 06:30:42,162 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 692 transitions. Word has length 133 [2024-10-13 06:30:42,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:42,162 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 692 transitions. [2024-10-13 06:30:42,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 692 transitions. [2024-10-13 06:30:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 06:30:42,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:42,164 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:42,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 06:30:42,164 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:42,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1907939379, now seen corresponding path program 1 times [2024-10-13 06:30:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:42,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975725689] [2024-10-13 06:30:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:42,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975725689] [2024-10-13 06:30:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975725689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:42,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:30:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903407327] [2024-10-13 06:30:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:42,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:30:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:30:42,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:30:42,245 INFO L87 Difference]: Start difference. First operand 507 states and 692 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:42,283 INFO L93 Difference]: Finished difference Result 921 states and 1273 transitions. [2024-10-13 06:30:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:30:42,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 135 [2024-10-13 06:30:42,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:42,287 INFO L225 Difference]: With dead ends: 921 [2024-10-13 06:30:42,288 INFO L226 Difference]: Without dead ends: 516 [2024-10-13 06:30:42,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:30:42,289 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:42,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:30:42,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-10-13 06:30:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-10-13 06:30:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 424 states have (on average 1.2665094339622642) internal successors, (537), 428 states have internal predecessors, (537), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 701 transitions. [2024-10-13 06:30:42,328 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 701 transitions. Word has length 135 [2024-10-13 06:30:42,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:42,329 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 701 transitions. [2024-10-13 06:30:42,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 701 transitions. [2024-10-13 06:30:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 06:30:42,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:42,331 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:42,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 06:30:42,331 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:42,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:42,332 INFO L85 PathProgramCache]: Analyzing trace with hash -132932017, now seen corresponding path program 1 times [2024-10-13 06:30:42,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:42,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860840555] [2024-10-13 06:30:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:42,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860840555] [2024-10-13 06:30:42,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860840555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:42,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:42,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:42,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973078756] [2024-10-13 06:30:42,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:42,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:42,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:42,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:42,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:42,512 INFO L87 Difference]: Start difference. First operand 516 states and 701 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:42,570 INFO L93 Difference]: Finished difference Result 542 states and 732 transitions. [2024-10-13 06:30:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:42,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 135 [2024-10-13 06:30:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:42,575 INFO L225 Difference]: With dead ends: 542 [2024-10-13 06:30:42,575 INFO L226 Difference]: Without dead ends: 540 [2024-10-13 06:30:42,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:42,576 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:42,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 504 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:30:42,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-13 06:30:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-10-13 06:30:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 448 states have (on average 1.2522321428571428) internal successors, (561), 452 states have internal predecessors, (561), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 725 transitions. [2024-10-13 06:30:42,610 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 725 transitions. Word has length 135 [2024-10-13 06:30:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:42,610 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 725 transitions. [2024-10-13 06:30:42,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 725 transitions. [2024-10-13 06:30:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 06:30:42,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:42,612 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:42,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 06:30:42,612 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:42,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:42,613 INFO L85 PathProgramCache]: Analyzing trace with hash 642726548, now seen corresponding path program 1 times [2024-10-13 06:30:42,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:42,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434745663] [2024-10-13 06:30:42,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:42,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:42,787 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-13 06:30:42,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:42,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434745663] [2024-10-13 06:30:42,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434745663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:42,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:42,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:42,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897965186] [2024-10-13 06:30:42,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:42,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:30:42,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:42,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:30:42,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:42,789 INFO L87 Difference]: Start difference. First operand 540 states and 725 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:42,855 INFO L93 Difference]: Finished difference Result 572 states and 762 transitions. [2024-10-13 06:30:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:30:42,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 137 [2024-10-13 06:30:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:42,860 INFO L225 Difference]: With dead ends: 572 [2024-10-13 06:30:42,860 INFO L226 Difference]: Without dead ends: 570 [2024-10-13 06:30:42,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:42,861 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:42,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:30:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-13 06:30:42,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 546. [2024-10-13 06:30:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 454 states have (on average 1.248898678414097) internal successors, (567), 458 states have internal predecessors, (567), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 731 transitions. [2024-10-13 06:30:42,895 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 731 transitions. Word has length 137 [2024-10-13 06:30:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:42,896 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 731 transitions. [2024-10-13 06:30:42,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 731 transitions. [2024-10-13 06:30:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 06:30:42,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:42,908 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:42,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 06:30:42,908 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:42,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash 512147674, now seen corresponding path program 1 times [2024-10-13 06:30:42,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:42,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851509032] [2024-10-13 06:30:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2572 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2562 trivial. 0 not checked. [2024-10-13 06:30:43,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:43,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851509032] [2024-10-13 06:30:43,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851509032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:43,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:43,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:43,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802033401] [2024-10-13 06:30:43,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:43,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:43,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:43,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:43,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:43,330 INFO L87 Difference]: Start difference. First operand 546 states and 731 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:43,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:43,526 INFO L93 Difference]: Finished difference Result 900 states and 1214 transitions. [2024-10-13 06:30:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:43,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 260 [2024-10-13 06:30:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:43,530 INFO L225 Difference]: With dead ends: 900 [2024-10-13 06:30:43,531 INFO L226 Difference]: Without dead ends: 662 [2024-10-13 06:30:43,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:43,533 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 33 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:43,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 380 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-10-13 06:30:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 561. [2024-10-13 06:30:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 469 states have (on average 1.2601279317697227) internal successors, (591), 473 states have internal predecessors, (591), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 755 transitions. [2024-10-13 06:30:43,570 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 755 transitions. Word has length 260 [2024-10-13 06:30:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:43,571 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 755 transitions. [2024-10-13 06:30:43,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 755 transitions. [2024-10-13 06:30:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 06:30:43,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:43,574 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:43,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 06:30:43,575 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:43,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2022558878, now seen corresponding path program 1 times [2024-10-13 06:30:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:43,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367093090] [2024-10-13 06:30:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2572 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2562 trivial. 0 not checked. [2024-10-13 06:30:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:43,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367093090] [2024-10-13 06:30:43,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367093090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:43,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:43,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:43,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354593178] [2024-10-13 06:30:43,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:43,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:43,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:43,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:43,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:43,952 INFO L87 Difference]: Start difference. First operand 561 states and 755 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:44,168 INFO L93 Difference]: Finished difference Result 912 states and 1238 transitions. [2024-10-13 06:30:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 260 [2024-10-13 06:30:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:44,172 INFO L225 Difference]: With dead ends: 912 [2024-10-13 06:30:44,173 INFO L226 Difference]: Without dead ends: 659 [2024-10-13 06:30:44,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:44,175 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 33 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:44,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 365 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:44,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-13 06:30:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 570. [2024-10-13 06:30:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 478 states have (on average 1.2615062761506277) internal successors, (603), 482 states have internal predecessors, (603), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 767 transitions. [2024-10-13 06:30:44,217 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 767 transitions. Word has length 260 [2024-10-13 06:30:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:44,218 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 767 transitions. [2024-10-13 06:30:44,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 767 transitions. [2024-10-13 06:30:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 06:30:44,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:44,222 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:44,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 06:30:44,222 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:44,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:44,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1213212252, now seen corresponding path program 1 times [2024-10-13 06:30:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:44,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703855427] [2024-10-13 06:30:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:44,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2572 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2024-10-13 06:30:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703855427] [2024-10-13 06:30:45,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703855427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:45,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:45,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713070414] [2024-10-13 06:30:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:45,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:45,957 INFO L87 Difference]: Start difference. First operand 570 states and 767 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:46,168 INFO L93 Difference]: Finished difference Result 1220 states and 1645 transitions. [2024-10-13 06:30:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:46,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 260 [2024-10-13 06:30:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:46,173 INFO L225 Difference]: With dead ends: 1220 [2024-10-13 06:30:46,174 INFO L226 Difference]: Without dead ends: 755 [2024-10-13 06:30:46,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:46,176 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 34 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:46,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 478 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:46,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-10-13 06:30:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 570. [2024-10-13 06:30:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 478 states have (on average 1.2615062761506277) internal successors, (603), 482 states have internal predecessors, (603), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 767 transitions. [2024-10-13 06:30:46,213 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 767 transitions. Word has length 260 [2024-10-13 06:30:46,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:46,214 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 767 transitions. [2024-10-13 06:30:46,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 767 transitions. [2024-10-13 06:30:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 06:30:46,219 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:46,220 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:46,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 06:30:46,220 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:46,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:46,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1592350048, now seen corresponding path program 1 times [2024-10-13 06:30:46,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:46,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875107465] [2024-10-13 06:30:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2572 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2562 trivial. 0 not checked. [2024-10-13 06:30:46,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:46,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875107465] [2024-10-13 06:30:46,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875107465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:46,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:46,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:46,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821431055] [2024-10-13 06:30:46,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:46,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:46,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:46,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:46,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:46,629 INFO L87 Difference]: Start difference. First operand 570 states and 767 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:46,899 INFO L93 Difference]: Finished difference Result 921 states and 1244 transitions. [2024-10-13 06:30:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:46,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 260 [2024-10-13 06:30:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:46,905 INFO L225 Difference]: With dead ends: 921 [2024-10-13 06:30:46,905 INFO L226 Difference]: Without dead ends: 656 [2024-10-13 06:30:46,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:46,908 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 31 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:46,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 487 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-10-13 06:30:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 567. [2024-10-13 06:30:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 475 states have (on average 1.256842105263158) internal successors, (597), 479 states have internal predecessors, (597), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 761 transitions. [2024-10-13 06:30:46,979 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 761 transitions. Word has length 260 [2024-10-13 06:30:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:46,980 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 761 transitions. [2024-10-13 06:30:46,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 761 transitions. [2024-10-13 06:30:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 06:30:46,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:46,984 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:46,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 06:30:46,984 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:46,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:46,985 INFO L85 PathProgramCache]: Analyzing trace with hash 770313112, now seen corresponding path program 1 times [2024-10-13 06:30:46,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:46,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929645660] [2024-10-13 06:30:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2572 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2561 trivial. 0 not checked. [2024-10-13 06:30:47,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:47,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929645660] [2024-10-13 06:30:47,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929645660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:47,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:47,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:30:47,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298916709] [2024-10-13 06:30:47,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:47,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:30:47,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:30:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:47,637 INFO L87 Difference]: Start difference. First operand 567 states and 761 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:47,895 INFO L93 Difference]: Finished difference Result 1017 states and 1365 transitions. [2024-10-13 06:30:47,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:30:47,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 260 [2024-10-13 06:30:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:47,900 INFO L225 Difference]: With dead ends: 1017 [2024-10-13 06:30:47,900 INFO L226 Difference]: Without dead ends: 758 [2024-10-13 06:30:47,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:47,903 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 32 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:47,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 425 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:47,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-10-13 06:30:47,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 555. [2024-10-13 06:30:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 463 states have (on average 1.2505399568034556) internal successors, (579), 467 states have internal predecessors, (579), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 743 transitions. [2024-10-13 06:30:47,942 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 743 transitions. Word has length 260 [2024-10-13 06:30:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:47,943 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 743 transitions. [2024-10-13 06:30:47,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 743 transitions. [2024-10-13 06:30:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-13 06:30:47,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:47,947 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:47,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 06:30:47,947 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:47,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:47,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1509113772, now seen corresponding path program 1 times [2024-10-13 06:30:47,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:47,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618291651] [2024-10-13 06:30:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:47,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2564 trivial. 0 not checked. [2024-10-13 06:30:48,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:48,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618291651] [2024-10-13 06:30:48,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618291651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:48,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:48,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:48,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70234360] [2024-10-13 06:30:48,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:48,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:48,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:48,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:48,227 INFO L87 Difference]: Start difference. First operand 555 states and 743 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:48,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:48,337 INFO L93 Difference]: Finished difference Result 1193 states and 1591 transitions. [2024-10-13 06:30:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:48,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 262 [2024-10-13 06:30:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:48,343 INFO L225 Difference]: With dead ends: 1193 [2024-10-13 06:30:48,343 INFO L226 Difference]: Without dead ends: 743 [2024-10-13 06:30:48,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:48,347 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 41 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:48,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 346 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:30:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-13 06:30:48,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 555. [2024-10-13 06:30:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 463 states have (on average 1.244060475161987) internal successors, (576), 467 states have internal predecessors, (576), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 740 transitions. [2024-10-13 06:30:48,402 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 740 transitions. Word has length 262 [2024-10-13 06:30:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:48,402 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 740 transitions. [2024-10-13 06:30:48,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 740 transitions. [2024-10-13 06:30:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-13 06:30:48,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:48,406 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:48,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 06:30:48,407 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:48,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:48,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1275442320, now seen corresponding path program 1 times [2024-10-13 06:30:48,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:48,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26938261] [2024-10-13 06:30:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2564 trivial. 0 not checked. [2024-10-13 06:30:48,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26938261] [2024-10-13 06:30:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26938261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:48,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:48,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029556522] [2024-10-13 06:30:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:48,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:48,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:48,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:48,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:48,658 INFO L87 Difference]: Start difference. First operand 555 states and 740 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:48,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:48,745 INFO L93 Difference]: Finished difference Result 1178 states and 1567 transitions. [2024-10-13 06:30:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:48,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 262 [2024-10-13 06:30:48,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:48,751 INFO L225 Difference]: With dead ends: 1178 [2024-10-13 06:30:48,751 INFO L226 Difference]: Without dead ends: 728 [2024-10-13 06:30:48,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:48,753 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 31 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:48,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 479 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:30:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-13 06:30:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 630. [2024-10-13 06:30:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 538 states have (on average 1.2304832713754648) internal successors, (662), 542 states have internal predecessors, (662), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 826 transitions. [2024-10-13 06:30:48,800 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 826 transitions. Word has length 262 [2024-10-13 06:30:48,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:48,801 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 826 transitions. [2024-10-13 06:30:48,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 826 transitions. [2024-10-13 06:30:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-13 06:30:48,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:48,804 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:48,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 06:30:48,804 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:48,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash 732595455, now seen corresponding path program 1 times [2024-10-13 06:30:48,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:48,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883966233] [2024-10-13 06:30:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 06:30:48,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128104070] [2024-10-13 06:30:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:48,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:48,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:30:48,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:30:48,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 06:30:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:49,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-10-13 06:30:49,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:30:49,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:30:49,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:49,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2024-10-13 06:30:49,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:49,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 56 [2024-10-13 06:30:49,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:49,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 78 treesize of output 53 [2024-10-13 06:30:49,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:49,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 39 [2024-10-13 06:30:50,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 39 [2024-10-13 06:30:50,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 39 [2024-10-13 06:30:50,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 30 [2024-10-13 06:30:50,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-10-13 06:30:50,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-10-13 06:30:50,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-10-13 06:30:50,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2024-10-13 06:30:50,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 18 [2024-10-13 06:30:50,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 31 [2024-10-13 06:30:50,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 58 [2024-10-13 06:30:50,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:50,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 24 [2024-10-13 06:30:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 1339 proven. 331 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-10-13 06:30:51,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:30:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2559 trivial. 0 not checked. [2024-10-13 06:30:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883966233] [2024-10-13 06:30:51,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 06:30:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128104070] [2024-10-13 06:30:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128104070] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 06:30:51,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 06:30:51,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-10-13 06:30:51,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786798909] [2024-10-13 06:30:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:51,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:51,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:51,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:51,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-10-13 06:30:51,444 INFO L87 Difference]: Start difference. First operand 630 states and 826 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:52,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:52,138 INFO L93 Difference]: Finished difference Result 1141 states and 1501 transitions. [2024-10-13 06:30:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:52,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 263 [2024-10-13 06:30:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:52,142 INFO L225 Difference]: With dead ends: 1141 [2024-10-13 06:30:52,142 INFO L226 Difference]: Without dead ends: 616 [2024-10-13 06:30:52,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 508 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-10-13 06:30:52,144 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 58 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:52,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 284 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 06:30:52,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-13 06:30:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 614. [2024-10-13 06:30:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 522 states have (on average 1.21455938697318) internal successors, (634), 526 states have internal predecessors, (634), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 798 transitions. [2024-10-13 06:30:52,178 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 798 transitions. Word has length 263 [2024-10-13 06:30:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:52,178 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 798 transitions. [2024-10-13 06:30:52,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 798 transitions. [2024-10-13 06:30:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-13 06:30:52,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:52,181 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:52,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 06:30:52,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:52,386 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:52,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash -547317448, now seen corresponding path program 1 times [2024-10-13 06:30:52,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:52,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131123004] [2024-10-13 06:30:52,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2024-10-13 06:30:52,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:52,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131123004] [2024-10-13 06:30:52,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131123004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:52,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:52,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:52,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364718365] [2024-10-13 06:30:52,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:52,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:52,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:52,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:52,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:52,660 INFO L87 Difference]: Start difference. First operand 614 states and 798 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:52,852 INFO L93 Difference]: Finished difference Result 1002 states and 1303 transitions. [2024-10-13 06:30:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:30:52,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 263 [2024-10-13 06:30:52,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:52,857 INFO L225 Difference]: With dead ends: 1002 [2024-10-13 06:30:52,858 INFO L226 Difference]: Without dead ends: 714 [2024-10-13 06:30:52,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:30:52,859 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 40 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:52,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 418 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:30:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-10-13 06:30:52,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 595. [2024-10-13 06:30:52,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 503 states have (on average 1.2007952286282306) internal successors, (604), 507 states have internal predecessors, (604), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 768 transitions. [2024-10-13 06:30:52,894 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 768 transitions. Word has length 263 [2024-10-13 06:30:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:52,895 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 768 transitions. [2024-10-13 06:30:52,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 768 transitions. [2024-10-13 06:30:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-13 06:30:52,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:52,897 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:52,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 06:30:52,897 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:52,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash 541200824, now seen corresponding path program 1 times [2024-10-13 06:30:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848168317] [2024-10-13 06:30:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2564 trivial. 0 not checked. [2024-10-13 06:30:53,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:53,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848168317] [2024-10-13 06:30:53,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848168317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:53,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:53,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:30:53,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696746798] [2024-10-13 06:30:53,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:53,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:30:53,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:53,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:30:53,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:53,156 INFO L87 Difference]: Start difference. First operand 595 states and 768 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:53,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:53,256 INFO L93 Difference]: Finished difference Result 952 states and 1231 transitions. [2024-10-13 06:30:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:53,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 263 [2024-10-13 06:30:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:53,265 INFO L225 Difference]: With dead ends: 952 [2024-10-13 06:30:53,265 INFO L226 Difference]: Without dead ends: 683 [2024-10-13 06:30:53,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:30:53,267 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 29 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:53,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 485 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:30:53,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-13 06:30:53,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 582. [2024-10-13 06:30:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 490 states have (on average 1.189795918367347) internal successors, (583), 494 states have internal predecessors, (583), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:30:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 747 transitions. [2024-10-13 06:30:53,307 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 747 transitions. Word has length 263 [2024-10-13 06:30:53,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:53,307 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 747 transitions. [2024-10-13 06:30:53,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 747 transitions. [2024-10-13 06:30:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 06:30:53,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:53,310 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:53,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 06:30:53,310 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:53,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:53,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1368584305, now seen corresponding path program 1 times [2024-10-13 06:30:53,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:53,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216281454] [2024-10-13 06:30:53,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:53,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2557 trivial. 0 not checked. [2024-10-13 06:30:55,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:55,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216281454] [2024-10-13 06:30:55,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216281454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:55,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:55,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 06:30:55,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62406463] [2024-10-13 06:30:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:55,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:30:55,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:55,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:30:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:30:55,281 INFO L87 Difference]: Start difference. First operand 582 states and 747 transitions. Second operand has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:30:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:55,911 INFO L93 Difference]: Finished difference Result 902 states and 1148 transitions. [2024-10-13 06:30:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:30:55,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 264 [2024-10-13 06:30:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:55,916 INFO L225 Difference]: With dead ends: 902 [2024-10-13 06:30:55,917 INFO L226 Difference]: Without dead ends: 900 [2024-10-13 06:30:55,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 06:30:55,918 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 115 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:55,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 707 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 06:30:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-10-13 06:30:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 776. [2024-10-13 06:30:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 655 states have (on average 1.1877862595419848) internal successors, (778), 662 states have internal predecessors, (778), 106 states have call successors, (106), 14 states have call predecessors, (106), 14 states have return successors, (106), 99 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-13 06:30:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 990 transitions. [2024-10-13 06:30:55,981 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 990 transitions. Word has length 264 [2024-10-13 06:30:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:55,982 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 990 transitions. [2024-10-13 06:30:55,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:30:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 990 transitions. [2024-10-13 06:30:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 06:30:55,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:55,984 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:55,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 06:30:55,984 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:55,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2054924571, now seen corresponding path program 1 times [2024-10-13 06:30:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:55,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430068303] [2024-10-13 06:30:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 06:30:56,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388895473] [2024-10-13 06:30:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:56,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:30:56,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:30:56,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 06:30:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:56,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-13 06:30:56,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:30:56,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-10-13 06:30:56,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:56,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 52 [2024-10-13 06:30:56,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:56,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 15 [2024-10-13 06:30:56,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-13 06:30:56,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:56,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-10-13 06:30:56,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:56,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 58 [2024-10-13 06:30:56,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:30:56,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 24 [2024-10-13 06:30:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2024-10-13 06:30:56,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:30:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2559 trivial. 0 not checked. [2024-10-13 06:30:57,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:57,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430068303] [2024-10-13 06:30:57,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 06:30:57,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388895473] [2024-10-13 06:30:57,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388895473] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 06:30:57,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 06:30:57,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2024-10-13 06:30:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087802881] [2024-10-13 06:30:57,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:57,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:57,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:30:57,054 INFO L87 Difference]: Start difference. First operand 776 states and 990 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:57,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:57,331 INFO L93 Difference]: Finished difference Result 1415 states and 1804 transitions. [2024-10-13 06:30:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:30:57,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 264 [2024-10-13 06:30:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:57,337 INFO L225 Difference]: With dead ends: 1415 [2024-10-13 06:30:57,337 INFO L226 Difference]: Without dead ends: 748 [2024-10-13 06:30:57,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 517 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:30:57,342 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 24 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:57,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 283 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-10-13 06:30:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 746. [2024-10-13 06:30:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 625 states have (on average 1.168) internal successors, (730), 632 states have internal predecessors, (730), 106 states have call successors, (106), 14 states have call predecessors, (106), 14 states have return successors, (106), 99 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-13 06:30:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 942 transitions. [2024-10-13 06:30:57,406 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 942 transitions. Word has length 264 [2024-10-13 06:30:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:57,406 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 942 transitions. [2024-10-13 06:30:57,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 942 transitions. [2024-10-13 06:30:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 06:30:57,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:57,409 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:57,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 06:30:57,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:30:57,613 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:57,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1905314637, now seen corresponding path program 1 times [2024-10-13 06:30:57,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:57,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972101348] [2024-10-13 06:30:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:57,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:30:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:30:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:30:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:30:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:30:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:30:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:30:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:30:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:30:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:30:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:30:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:30:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:30:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:30:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:30:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:30:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:30:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:30:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:30:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:30:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:30:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:30:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:30:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:30:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:30:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:30:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:30:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:30:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:30:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:30:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:30:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:30:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:30:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:30:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:30:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:30:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:30:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2561 trivial. 0 not checked. [2024-10-13 06:30:58,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:30:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972101348] [2024-10-13 06:30:58,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972101348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:30:58,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:30:58,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:30:58,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846109484] [2024-10-13 06:30:58,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:30:58,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:30:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:30:58,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:30:58,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:30:58,156 INFO L87 Difference]: Start difference. First operand 746 states and 942 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:30:58,483 INFO L93 Difference]: Finished difference Result 1457 states and 1857 transitions. [2024-10-13 06:30:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:30:58,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 264 [2024-10-13 06:30:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:30:58,493 INFO L225 Difference]: With dead ends: 1457 [2024-10-13 06:30:58,493 INFO L226 Difference]: Without dead ends: 1031 [2024-10-13 06:30:58,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:30:58,499 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 87 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:30:58,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 170 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:30:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-10-13 06:30:58,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 818. [2024-10-13 06:30:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 669 states have (on average 1.1614349775784754) internal successors, (777), 679 states have internal predecessors, (777), 130 states have call successors, (130), 18 states have call predecessors, (130), 18 states have return successors, (130), 120 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-13 06:30:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1037 transitions. [2024-10-13 06:30:58,598 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1037 transitions. Word has length 264 [2024-10-13 06:30:58,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:30:58,598 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1037 transitions. [2024-10-13 06:30:58,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:30:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1037 transitions. [2024-10-13 06:30:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 06:30:58,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:30:58,600 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:30:58,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-13 06:30:58,601 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:30:58,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:30:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1318508623, now seen corresponding path program 1 times [2024-10-13 06:30:58,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:30:58,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334495350] [2024-10-13 06:30:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:30:58,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:30:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2024-10-13 06:31:00,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:00,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334495350] [2024-10-13 06:31:00,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334495350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:00,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:00,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:31:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2535983] [2024-10-13 06:31:00,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:00,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:31:00,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:00,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:31:00,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:31:00,556 INFO L87 Difference]: Start difference. First operand 818 states and 1037 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:01,393 INFO L93 Difference]: Finished difference Result 835 states and 1054 transitions. [2024-10-13 06:31:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:31:01,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 264 [2024-10-13 06:31:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:01,399 INFO L225 Difference]: With dead ends: 835 [2024-10-13 06:31:01,399 INFO L226 Difference]: Without dead ends: 833 [2024-10-13 06:31:01,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:31:01,401 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 112 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:01,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 921 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 06:31:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-13 06:31:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 818. [2024-10-13 06:31:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 669 states have (on average 1.1614349775784754) internal successors, (777), 679 states have internal predecessors, (777), 130 states have call successors, (130), 18 states have call predecessors, (130), 18 states have return successors, (130), 120 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-13 06:31:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1037 transitions. [2024-10-13 06:31:01,494 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1037 transitions. Word has length 264 [2024-10-13 06:31:01,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:01,495 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1037 transitions. [2024-10-13 06:31:01,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1037 transitions. [2024-10-13 06:31:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 06:31:01,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:01,497 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:01,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 06:31:01,498 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:01,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1324995937, now seen corresponding path program 1 times [2024-10-13 06:31:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:01,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070664925] [2024-10-13 06:31:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2024-10-13 06:31:01,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070664925] [2024-10-13 06:31:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070664925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:01,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:01,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:31:01,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122153487] [2024-10-13 06:31:01,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:01,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:31:01,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:01,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:31:01,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:01,645 INFO L87 Difference]: Start difference. First operand 818 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:01,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:01,780 INFO L93 Difference]: Finished difference Result 1557 states and 1969 transitions. [2024-10-13 06:31:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:31:01,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 266 [2024-10-13 06:31:01,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:01,786 INFO L225 Difference]: With dead ends: 1557 [2024-10-13 06:31:01,786 INFO L226 Difference]: Without dead ends: 848 [2024-10-13 06:31:01,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:01,789 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 30 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:01,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 163 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:31:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-10-13 06:31:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 793. [2024-10-13 06:31:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 644 states have (on average 1.1583850931677018) internal successors, (746), 654 states have internal predecessors, (746), 130 states have call successors, (130), 18 states have call predecessors, (130), 18 states have return successors, (130), 120 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-13 06:31:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1006 transitions. [2024-10-13 06:31:01,867 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1006 transitions. Word has length 266 [2024-10-13 06:31:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:01,868 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1006 transitions. [2024-10-13 06:31:01,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1006 transitions. [2024-10-13 06:31:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 06:31:01,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:01,870 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:01,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 06:31:01,871 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:01,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:01,871 INFO L85 PathProgramCache]: Analyzing trace with hash 197948548, now seen corresponding path program 1 times [2024-10-13 06:31:01,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:01,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103727491] [2024-10-13 06:31:01,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:01,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2579 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2024-10-13 06:31:02,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:02,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103727491] [2024-10-13 06:31:02,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103727491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:02,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:02,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:31:02,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867354241] [2024-10-13 06:31:02,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:02,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:31:02,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:02,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:31:02,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:02,067 INFO L87 Difference]: Start difference. First operand 793 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:02,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:02,224 INFO L93 Difference]: Finished difference Result 1411 states and 1787 transitions. [2024-10-13 06:31:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:31:02,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 269 [2024-10-13 06:31:02,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:02,230 INFO L225 Difference]: With dead ends: 1411 [2024-10-13 06:31:02,231 INFO L226 Difference]: Without dead ends: 727 [2024-10-13 06:31:02,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:02,234 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:02,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 199 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:31:02,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-13 06:31:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2024-10-13 06:31:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 578 states have (on average 1.1245674740484428) internal successors, (650), 588 states have internal predecessors, (650), 130 states have call successors, (130), 18 states have call predecessors, (130), 18 states have return successors, (130), 120 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-13 06:31:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 910 transitions. [2024-10-13 06:31:02,352 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 910 transitions. Word has length 269 [2024-10-13 06:31:02,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:02,353 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 910 transitions. [2024-10-13 06:31:02,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 910 transitions. [2024-10-13 06:31:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-13 06:31:02,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:02,357 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:02,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 06:31:02,357 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:02,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:02,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1942782450, now seen corresponding path program 1 times [2024-10-13 06:31:02,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:02,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549710649] [2024-10-13 06:31:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:02,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2557 trivial. 0 not checked. [2024-10-13 06:31:03,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:03,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549710649] [2024-10-13 06:31:03,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549710649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:03,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:03,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:31:03,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056194368] [2024-10-13 06:31:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:03,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:31:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:31:03,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:31:03,153 INFO L87 Difference]: Start difference. First operand 727 states and 910 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:31:03,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:03,479 INFO L93 Difference]: Finished difference Result 1755 states and 2194 transitions. [2024-10-13 06:31:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:31:03,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 271 [2024-10-13 06:31:03,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:03,486 INFO L225 Difference]: With dead ends: 1755 [2024-10-13 06:31:03,486 INFO L226 Difference]: Without dead ends: 1131 [2024-10-13 06:31:03,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:31:03,488 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 97 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:03,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 226 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:31:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-10-13 06:31:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1127. [2024-10-13 06:31:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 913 states have (on average 1.1270536692223438) internal successors, (1029), 929 states have internal predecessors, (1029), 186 states have call successors, (186), 27 states have call predecessors, (186), 27 states have return successors, (186), 170 states have call predecessors, (186), 186 states have call successors, (186) [2024-10-13 06:31:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1401 transitions. [2024-10-13 06:31:03,619 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1401 transitions. Word has length 271 [2024-10-13 06:31:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:03,620 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1401 transitions. [2024-10-13 06:31:03,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:31:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1401 transitions. [2024-10-13 06:31:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-13 06:31:03,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:03,625 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:03,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-13 06:31:03,625 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:03,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:03,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1672126476, now seen corresponding path program 1 times [2024-10-13 06:31:03,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:03,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900033819] [2024-10-13 06:31:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:03,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2024-10-13 06:31:04,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:04,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900033819] [2024-10-13 06:31:04,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900033819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:04,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:04,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:31:04,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147761434] [2024-10-13 06:31:04,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:04,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:31:04,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:04,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:31:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:31:04,288 INFO L87 Difference]: Start difference. First operand 1127 states and 1401 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:31:04,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:04,663 INFO L93 Difference]: Finished difference Result 2458 states and 3055 transitions. [2024-10-13 06:31:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:31:04,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 271 [2024-10-13 06:31:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:04,673 INFO L225 Difference]: With dead ends: 2458 [2024-10-13 06:31:04,673 INFO L226 Difference]: Without dead ends: 1497 [2024-10-13 06:31:04,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:31:04,679 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 84 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:04,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 217 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:31:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2024-10-13 06:31:04,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1455. [2024-10-13 06:31:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1455 states, 1170 states have (on average 1.1170940170940171) internal successors, (1307), 1192 states have internal predecessors, (1307), 246 states have call successors, (246), 38 states have call predecessors, (246), 38 states have return successors, (246), 224 states have call predecessors, (246), 246 states have call successors, (246) [2024-10-13 06:31:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1799 transitions. [2024-10-13 06:31:04,814 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1799 transitions. Word has length 271 [2024-10-13 06:31:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:04,814 INFO L471 AbstractCegarLoop]: Abstraction has 1455 states and 1799 transitions. [2024-10-13 06:31:04,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:31:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1799 transitions. [2024-10-13 06:31:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-13 06:31:04,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:04,819 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:04,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-13 06:31:04,820 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:04,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:04,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1348034984, now seen corresponding path program 1 times [2024-10-13 06:31:04,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:04,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321205323] [2024-10-13 06:31:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:04,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2024-10-13 06:31:05,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:05,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321205323] [2024-10-13 06:31:05,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321205323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:05,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:05,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:31:05,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068885389] [2024-10-13 06:31:05,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:05,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:31:05,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:05,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:31:05,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:31:05,300 INFO L87 Difference]: Start difference. First operand 1455 states and 1799 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:05,634 INFO L93 Difference]: Finished difference Result 1845 states and 2264 transitions. [2024-10-13 06:31:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 06:31:05,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 272 [2024-10-13 06:31:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:05,644 INFO L225 Difference]: With dead ends: 1845 [2024-10-13 06:31:05,645 INFO L226 Difference]: Without dead ends: 1843 [2024-10-13 06:31:05,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:31:05,646 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 18 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:05,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 700 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:31:05,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2024-10-13 06:31:05,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1699. [2024-10-13 06:31:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1414 states have (on average 1.1421499292786421) internal successors, (1615), 1436 states have internal predecessors, (1615), 246 states have call successors, (246), 38 states have call predecessors, (246), 38 states have return successors, (246), 224 states have call predecessors, (246), 246 states have call successors, (246) [2024-10-13 06:31:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2107 transitions. [2024-10-13 06:31:05,772 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2107 transitions. Word has length 272 [2024-10-13 06:31:05,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:05,772 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2107 transitions. [2024-10-13 06:31:05,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2107 transitions. [2024-10-13 06:31:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-13 06:31:05,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:31:05,778 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:05,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-13 06:31:05,778 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:31:05,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:31:05,779 INFO L85 PathProgramCache]: Analyzing trace with hash -82859286, now seen corresponding path program 1 times [2024-10-13 06:31:05,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:31:05,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787450691] [2024-10-13 06:31:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:31:05,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:31:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:31:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:31:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:31:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:31:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:31:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:31:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:31:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:31:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:31:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:31:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:31:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:31:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:31:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:31:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:31:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:31:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:31:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:31:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 06:31:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 06:31:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 06:31:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 06:31:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 06:31:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 06:31:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 06:31:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 06:31:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 06:31:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 06:31:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 06:31:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 06:31:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 06:31:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 06:31:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 06:31:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 06:31:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 06:31:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 06:31:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:31:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2024-10-13 06:31:05,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:31:05,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787450691] [2024-10-13 06:31:05,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787450691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:31:05,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:31:05,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:31:05,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498877164] [2024-10-13 06:31:05,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:31:05,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:31:05,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:31:05,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:31:05,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:05,897 INFO L87 Difference]: Start difference. First operand 1699 states and 2107 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:31:06,037 INFO L93 Difference]: Finished difference Result 3235 states and 4009 transitions. [2024-10-13 06:31:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:31:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 272 [2024-10-13 06:31:06,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:31:06,040 INFO L225 Difference]: With dead ends: 3235 [2024-10-13 06:31:06,041 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 06:31:06,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:31:06,048 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 20 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:31:06,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 210 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:31:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 06:31:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 06:31:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 06:31:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 06:31:06,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2024-10-13 06:31:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:31:06,050 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 06:31:06,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-13 06:31:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 06:31:06,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 06:31:06,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 06:31:06,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-13 06:31:06,058 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:31:06,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.