./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.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 f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:04:36,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:04:36,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:04:36,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:04:36,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:04:36,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:04:36,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:04:36,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:04:36,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:04:36,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:04:36,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:04:36,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:04:36,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:04:36,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:04:36,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:04:36,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:04:36,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:04:36,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:04:36,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:04:36,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:04:36,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:04:36,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:04:36,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:04:36,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:04:36,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:04:36,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:04:36,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:04:36,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:04:36,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:04:36,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:04:36,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:04:36,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:04:36,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:04:36,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:04:36,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:04:36,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:04:36,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:04:36,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:04:36,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:04:36,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:04:36,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:04:36,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:04:36,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 [2024-11-20 05:04:36,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:04:36,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:04:36,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:04:36,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:04:36,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:04:36,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-20 05:04:38,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:04:38,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:04:38,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-20 05:04:38,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af320604/c0d1d84c2b1d48c5b4560608f4d85bf1/FLAG72036352b [2024-11-20 05:04:38,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af320604/c0d1d84c2b1d48c5b4560608f4d85bf1 [2024-11-20 05:04:38,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:04:38,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:04:38,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:04:38,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:04:38,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:04:38,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:38,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bdd096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38, skipping insertion in model container [2024-11-20 05:04:38,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:38,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:04:38,838 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-20 05:04:38,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:04:38,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:04:38,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-20 05:04:38,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:04:38,996 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:04:38,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38 WrapperNode [2024-11-20 05:04:38,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:04:38,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:04:38,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:04:38,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:04:39,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,092 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 298 [2024-11-20 05:04:39,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:04:39,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:04:39,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:04:39,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:04:39,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,149 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 05:04:39,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:04:39,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:04:39,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:04:39,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:04:39,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (1/1) ... [2024-11-20 05:04:39,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:04:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:04:39,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 05:04:39,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 05:04:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:04:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:04:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:04:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:04:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:04:39,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:04:39,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:04:39,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:04:40,002 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 05:04:40,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:04:40,024 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:04:40,025 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:04:40,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:40 BoogieIcfgContainer [2024-11-20 05:04:40,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:04:40,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:04:40,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:04:40,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:04:40,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:04:38" (1/3) ... [2024-11-20 05:04:40,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afe490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:04:40, skipping insertion in model container [2024-11-20 05:04:40,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:38" (2/3) ... [2024-11-20 05:04:40,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afe490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:04:40, skipping insertion in model container [2024-11-20 05:04:40,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:40" (3/3) ... [2024-11-20 05:04:40,036 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-20 05:04:40,055 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:04:40,055 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:04:40,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:04:40,134 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;@6324ba4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:04:40,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:04:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 05:04:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-20 05:04:40,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:04:40,156 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:04:40,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:04:40,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:04:40,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1557986687, now seen corresponding path program 1 times [2024-11-20 05:04:40,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:04:40,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310315365] [2024-11-20 05:04:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:04:40,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:04:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:04:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:04:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:04:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:04:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:04:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:04:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:04:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:04:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:04:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:04:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:04:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:04:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:04:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:04:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:04:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:04:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:04:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:04:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:04:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:04:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:04:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:04:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:04:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:04:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:04:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:04:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:04:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:04:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:04:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:04:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:04:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:04:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:04:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:04:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:04:40,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:04:40,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310315365] [2024-11-20 05:04:40,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310315365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:04:40,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:04:40,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:04:40,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161517789] [2024-11-20 05:04:40,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:04:40,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:04:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:04:40,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:04:40,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:04:40,819 INFO L87 Difference]: Start difference. First operand has 128 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-20 05:04:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:04:40,856 INFO L93 Difference]: Finished difference Result 249 states and 426 transitions. [2024-11-20 05:04:40,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:04:40,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-20 05:04:40,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:04:40,877 INFO L225 Difference]: With dead ends: 249 [2024-11-20 05:04:40,878 INFO L226 Difference]: Without dead ends: 124 [2024-11-20 05:04:40,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:04:40,895 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:04:40,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:04:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-20 05:04:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-20 05:04:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 05:04:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 192 transitions. [2024-11-20 05:04:40,976 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 192 transitions. Word has length 220 [2024-11-20 05:04:40,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:04:40,980 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 192 transitions. [2024-11-20 05:04:40,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-20 05:04:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 192 transitions. [2024-11-20 05:04:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-20 05:04:40,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:04:40,990 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:04:40,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:04:40,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:04:40,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:04:40,994 INFO L85 PathProgramCache]: Analyzing trace with hash -227716681, now seen corresponding path program 1 times [2024-11-20 05:04:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:04:40,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252134674] [2024-11-20 05:04:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:04:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:04:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:04:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:04:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:04:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:04:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:04:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:04:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:04:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:04:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:04:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:04:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:04:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:04:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:04:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:04:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:04:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:04:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:04:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:04:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:04:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:04:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:04:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:04:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:04:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:04:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:04:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:04:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:04:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:04:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:04:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:04:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:04:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:04:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:04:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:04:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:04:41,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:04:41,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252134674] [2024-11-20 05:04:41,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252134674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:04:41,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:04:41,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:04:41,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077409273] [2024-11-20 05:04:41,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:04:41,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:04:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:04:41,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:04:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:04:41,723 INFO L87 Difference]: Start difference. First operand 124 states and 192 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:04:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:04:41,890 INFO L93 Difference]: Finished difference Result 367 states and 571 transitions. [2024-11-20 05:04:41,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:04:41,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-20 05:04:41,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:04:41,896 INFO L225 Difference]: With dead ends: 367 [2024-11-20 05:04:41,896 INFO L226 Difference]: Without dead ends: 246 [2024-11-20 05:04:41,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:04:41,898 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 167 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:04:41,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 553 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:04:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-20 05:04:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 212. [2024-11-20 05:04:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 141 states have (on average 1.3900709219858156) internal successors, (196), 141 states have internal predecessors, (196), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 05:04:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 332 transitions. [2024-11-20 05:04:41,932 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 332 transitions. Word has length 220 [2024-11-20 05:04:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:04:41,933 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 332 transitions. [2024-11-20 05:04:41,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:04:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 332 transitions. [2024-11-20 05:04:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-20 05:04:41,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:04:41,938 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:04:41,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:04:41,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:04:41,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:04:41,939 INFO L85 PathProgramCache]: Analyzing trace with hash 281096731, now seen corresponding path program 1 times [2024-11-20 05:04:41,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:04:41,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585408643] [2024-11-20 05:04:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:04:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:04:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:04:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:04:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:04:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:04:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:04:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:04:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:04:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:04:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:04:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:04:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:04:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:04:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:04:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:04:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:04:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:04:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:04:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:04:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:04:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:04:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:58,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:04:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:04:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:04:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:04:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:04:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:04:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:04:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:04:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:04:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:04:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:04:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:04:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:04:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:04:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:04:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:04:59,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:04:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585408643] [2024-11-20 05:04:59,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585408643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:04:59,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:04:59,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 05:04:59,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884112721] [2024-11-20 05:04:59,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:04:59,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 05:04:59,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:04:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 05:04:59,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:04:59,112 INFO L87 Difference]: Start difference. First operand 212 states and 332 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-20 05:05:01,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:05:01,106 INFO L93 Difference]: Finished difference Result 483 states and 731 transitions. [2024-11-20 05:05:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:05:01,112 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-20 05:05:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:05:01,115 INFO L225 Difference]: With dead ends: 483 [2024-11-20 05:05:01,116 INFO L226 Difference]: Without dead ends: 344 [2024-11-20 05:05:01,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:05:01,117 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 405 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:05:01,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1144 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:05:01,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-20 05:05:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 260. [2024-11-20 05:05:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 187 states have (on average 1.3796791443850267) internal successors, (258), 187 states have internal predecessors, (258), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 05:05:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 394 transitions. [2024-11-20 05:05:01,138 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 394 transitions. Word has length 221 [2024-11-20 05:05:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:05:01,143 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 394 transitions. [2024-11-20 05:05:01,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-20 05:05:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 394 transitions. [2024-11-20 05:05:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-20 05:05:01,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:05:01,146 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:05:01,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:05:01,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:05:01,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:05:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1713047975, now seen corresponding path program 1 times [2024-11-20 05:05:01,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:05:01,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42558812] [2024-11-20 05:05:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:05:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:05:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:05:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:05:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:05:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:05:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:05:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:05:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:05:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:05:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:05:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:05:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:05:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:05:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:05:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:05:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:05:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:05:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:05:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:05:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:05:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:05:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:05:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:05:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:05:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:05:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:05:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:05:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:05:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:05:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:05:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:05:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:05:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:05:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:05:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:05:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:05:13,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:05:13,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42558812] [2024-11-20 05:05:13,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42558812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:05:13,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:05:13,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 05:05:13,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102414467] [2024-11-20 05:05:13,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:05:13,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 05:05:13,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:05:13,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 05:05:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-20 05:05:13,658 INFO L87 Difference]: Start difference. First operand 260 states and 394 transitions. Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-20 05:05:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:05:16,308 INFO L93 Difference]: Finished difference Result 537 states and 791 transitions. [2024-11-20 05:05:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 05:05:16,309 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 221 [2024-11-20 05:05:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:05:16,311 INFO L225 Difference]: With dead ends: 537 [2024-11-20 05:05:16,313 INFO L226 Difference]: Without dead ends: 405 [2024-11-20 05:05:16,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2024-11-20 05:05:16,314 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 774 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:05:16,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 1061 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 05:05:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-20 05:05:16,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 273. [2024-11-20 05:05:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 05:05:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 408 transitions. [2024-11-20 05:05:16,348 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 408 transitions. Word has length 221 [2024-11-20 05:05:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:05:16,348 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 408 transitions. [2024-11-20 05:05:16,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-20 05:05:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 408 transitions. [2024-11-20 05:05:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-20 05:05:16,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:05:16,351 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:05:16,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:05:16,351 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:05:16,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:05:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1454882537, now seen corresponding path program 1 times [2024-11-20 05:05:16,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:05:16,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132642440] [2024-11-20 05:05:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:05:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:05:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:05:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:05:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:05:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:05:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:05:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:05:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:05:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:05:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:05:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:05:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:05:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:05:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:05:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:05:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:05:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:05:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:05:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:05:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:05:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:05:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:05:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:05:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:05:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:05:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:05:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:05:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:05:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:05:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:05:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:05:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:05:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:05:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:05:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:05:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:05:29,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:05:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132642440] [2024-11-20 05:05:29,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132642440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:05:29,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:05:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 05:05:29,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936183809] [2024-11-20 05:05:29,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:05:29,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 05:05:29,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:05:29,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 05:05:29,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:05:29,656 INFO L87 Difference]: Start difference. First operand 273 states and 408 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:05:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:05:31,422 INFO L93 Difference]: Finished difference Result 527 states and 771 transitions. [2024-11-20 05:05:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 05:05:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-20 05:05:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:05:31,425 INFO L225 Difference]: With dead ends: 527 [2024-11-20 05:05:31,425 INFO L226 Difference]: Without dead ends: 406 [2024-11-20 05:05:31,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-20 05:05:31,426 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 374 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:05:31,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1152 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 05:05:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-20 05:05:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 277. [2024-11-20 05:05:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 202 states have (on average 1.3613861386138615) internal successors, (275), 202 states have internal predecessors, (275), 68 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 05:05:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 411 transitions. [2024-11-20 05:05:31,447 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 411 transitions. Word has length 221 [2024-11-20 05:05:31,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:05:31,448 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 411 transitions. [2024-11-20 05:05:31,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:05:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 411 transitions. [2024-11-20 05:05:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-20 05:05:31,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:05:31,457 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:05:31,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:05:31,457 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:05:31,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:05:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash 287631835, now seen corresponding path program 1 times [2024-11-20 05:05:31,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:05:31,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472721946] [2024-11-20 05:05:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:05:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:05:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:05:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:05:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:05:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:05:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:05:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:05:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:05:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:05:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:05:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:05:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:05:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:05:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:05:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:05:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:05:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:05:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:05:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:05:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:05:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:05:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:05:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:05:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 05:05:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 05:05:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:05:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:05:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 05:05:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:05:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:05:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:05:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:05:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:05:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:05:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:05:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:05:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-20 05:05:31,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:05:31,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472721946] [2024-11-20 05:05:31,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472721946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:05:31,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:05:31,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:05:31,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037272143] [2024-11-20 05:05:31,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:05:31,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:05:31,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:05:31,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:05:31,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:05:31,554 INFO L87 Difference]: Start difference. First operand 277 states and 411 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:05:31,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:05:31,590 INFO L93 Difference]: Finished difference Result 504 states and 750 transitions. [2024-11-20 05:05:31,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:05:31,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-20 05:05:31,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:05:31,592 INFO L225 Difference]: With dead ends: 504 [2024-11-20 05:05:31,592 INFO L226 Difference]: Without dead ends: 335 [2024-11-20 05:05:31,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:05:31,593 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 92 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:05:31,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 406 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:05:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-20 05:05:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2024-11-20 05:05:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 249 states have internal predecessors, (337), 76 states have call successors, (76), 7 states have call predecessors, (76), 7 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 05:05:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 489 transitions. [2024-11-20 05:05:31,614 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 489 transitions. Word has length 221 [2024-11-20 05:05:31,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:05:31,615 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 489 transitions. [2024-11-20 05:05:31,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-20 05:05:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 489 transitions. [2024-11-20 05:05:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-20 05:05:31,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:05:31,618 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:05:31,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:05:31,618 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:05:31,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:05:31,619 INFO L85 PathProgramCache]: Analyzing trace with hash 967690205, now seen corresponding path program 1 times [2024-11-20 05:05:31,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:05:31,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65533546] [2024-11-20 05:05:31,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:05:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:05:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat