./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-pr-co_file-52.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-pr-co_file-52.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 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:58:55,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:58:55,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:58:55,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:58:55,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:58:56,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:58:56,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:58:56,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:58:56,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:58:56,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:58:56,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:58:56,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:58:56,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:58:56,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:58:56,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:58:56,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:58:56,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:58:56,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:58:56,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:58:56,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:58:56,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:58:56,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:58:56,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:58:56,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:58:56,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:58:56,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:58:56,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:58:56,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:58:56,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:58:56,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:58:56,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:58:56,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:58:56,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:58:56,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:58:56,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:58:56,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:58:56,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 [2024-11-20 04:58:56,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:58:56,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:58:56,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:58:56,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:58:56,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:58:56,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-11-20 04:58:57,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:58:57,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:58:57,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-11-20 04:58:57,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efc209c3e/6de3cfff32df41809f6dcf3355a39303/FLAGcb54a20f8 [2024-11-20 04:58:57,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efc209c3e/6de3cfff32df41809f6dcf3355a39303 [2024-11-20 04:58:57,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:58:57,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:58:57,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:58:57,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:58:57,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:58:57,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:58:57" (1/1) ... [2024-11-20 04:58:57,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d47f571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:57, skipping insertion in model container [2024-11-20 04:58:57,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:58:57" (1/1) ... [2024-11-20 04:58:57,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:58:57,993 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-pr-co_file-52.i[919,932] [2024-11-20 04:58:58,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:58:58,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:58:58,088 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-pr-co_file-52.i[919,932] [2024-11-20 04:58:58,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:58:58,141 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:58:58,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58 WrapperNode [2024-11-20 04:58:58,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:58:58,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:58:58,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:58:58,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:58:58,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,203 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-11-20 04:58:58,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:58:58,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:58:58,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:58:58,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:58:58,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,233 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 04:58:58,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:58:58,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:58:58,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:58:58,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:58:58,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (1/1) ... [2024-11-20 04:58:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:58:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:58:58,300 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 04:58:58,304 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 04:58:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:58:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:58:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:58:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:58:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:58:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:58:58,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:58:58,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:58:58,879 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-20 04:58:58,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:58:58,894 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:58:58,895 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:58:58,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:58:58 BoogieIcfgContainer [2024-11-20 04:58:58,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:58:58,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:58:58,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:58:58,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:58:58,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:58:57" (1/3) ... [2024-11-20 04:58:58,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ea1372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:58:58, skipping insertion in model container [2024-11-20 04:58:58,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:58:58" (2/3) ... [2024-11-20 04:58:58,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ea1372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:58:58, skipping insertion in model container [2024-11-20 04:58:58,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:58:58" (3/3) ... [2024-11-20 04:58:58,904 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-11-20 04:58:58,918 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:58:58,918 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:58:58,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:58:58,984 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;@3a24a036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:58:58,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:58:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 04:58:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 04:58:58,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:58:58,999 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:58,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:58:59,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:58:59,003 INFO L85 PathProgramCache]: Analyzing trace with hash 790620788, now seen corresponding path program 1 times [2024-11-20 04:58:59,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:58:59,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942427319] [2024-11-20 04:58:59,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:58:59,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:58:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:58:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:58:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:58:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:58:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:58:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:58:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:58:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:58:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:58:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:58:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:58:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:58:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:58:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:58:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:58:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:58:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:58:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:58:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:58:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:58:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:58:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:58:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:58:59,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:58:59,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942427319] [2024-11-20 04:58:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942427319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:58:59,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:58:59,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:58:59,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195614704] [2024-11-20 04:58:59,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:58:59,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:58:59,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:58:59,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:58:59,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:58:59,439 INFO L87 Difference]: Start difference. First operand has 87 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:58:59,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:58:59,466 INFO L93 Difference]: Finished difference Result 167 states and 286 transitions. [2024-11-20 04:58:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:58:59,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-20 04:58:59,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:58:59,474 INFO L225 Difference]: With dead ends: 167 [2024-11-20 04:58:59,474 INFO L226 Difference]: Without dead ends: 83 [2024-11-20 04:58:59,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 04:58:59,480 INFO L432 NwaCegarLoop]: 128 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, 128 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 04:58:59,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:58:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-20 04:58:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-20 04:58:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 04:58:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2024-11-20 04:58:59,515 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 152 [2024-11-20 04:58:59,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:58:59,516 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2024-11-20 04:58:59,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:58:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2024-11-20 04:58:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 04:58:59,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:58:59,522 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:59,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:58:59,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:58:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:58:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash 231458620, now seen corresponding path program 1 times [2024-11-20 04:58:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:58:59,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054059022] [2024-11-20 04:58:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:58:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:58:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:58:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:58:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:58:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:58:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:58:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:58:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:58:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:58:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:58:59,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:00,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:00,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054059022] [2024-11-20 04:59:00,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054059022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:00,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:00,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:59:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495872256] [2024-11-20 04:59:00,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:00,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:59:00,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:00,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:59:00,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:59:00,125 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:00,219 INFO L93 Difference]: Finished difference Result 237 states and 372 transitions. [2024-11-20 04:59:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:59:00,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-20 04:59:00,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:00,222 INFO L225 Difference]: With dead ends: 237 [2024-11-20 04:59:00,222 INFO L226 Difference]: Without dead ends: 157 [2024-11-20 04:59:00,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 04:59:00,228 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 71 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:00,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 229 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:59:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-20 04:59:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 138. [2024-11-20 04:59:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 91 states have (on average 1.3736263736263736) internal successors, (125), 91 states have internal predecessors, (125), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 04:59:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2024-11-20 04:59:00,258 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 152 [2024-11-20 04:59:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:00,259 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2024-11-20 04:59:00,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2024-11-20 04:59:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 04:59:00,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:00,261 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:00,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:59:00,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:00,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:00,262 INFO L85 PathProgramCache]: Analyzing trace with hash -406857361, now seen corresponding path program 1 times [2024-11-20 04:59:00,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:00,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456279506] [2024-11-20 04:59:00,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:00,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:00,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:00,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456279506] [2024-11-20 04:59:00,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456279506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:00,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:00,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:59:00,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747479314] [2024-11-20 04:59:00,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:00,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:59:00,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:59:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:59:00,588 INFO L87 Difference]: Start difference. First operand 138 states and 213 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:00,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:00,657 INFO L93 Difference]: Finished difference Result 306 states and 477 transitions. [2024-11-20 04:59:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:59:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-20 04:59:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:00,660 INFO L225 Difference]: With dead ends: 306 [2024-11-20 04:59:00,661 INFO L226 Difference]: Without dead ends: 218 [2024-11-20 04:59:00,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 04:59:00,662 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 84 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:00,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 235 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:59:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-20 04:59:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-11-20 04:59:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 146 states have (on average 1.3904109589041096) internal successors, (203), 146 states have internal predecessors, (203), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 335 transitions. [2024-11-20 04:59:00,693 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 335 transitions. Word has length 153 [2024-11-20 04:59:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:00,693 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 335 transitions. [2024-11-20 04:59:00,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 335 transitions. [2024-11-20 04:59:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 04:59:00,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:00,696 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:00,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:59:00,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:00,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:00,697 INFO L85 PathProgramCache]: Analyzing trace with hash 231644096, now seen corresponding path program 1 times [2024-11-20 04:59:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:00,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482406945] [2024-11-20 04:59:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:01,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:01,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482406945] [2024-11-20 04:59:01,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482406945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:01,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:01,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:59:01,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172344635] [2024-11-20 04:59:01,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:01,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:59:01,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:01,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:59:01,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:59:01,284 INFO L87 Difference]: Start difference. First operand 216 states and 335 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:01,501 INFO L93 Difference]: Finished difference Result 465 states and 708 transitions. [2024-11-20 04:59:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:59:01,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-20 04:59:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:01,506 INFO L225 Difference]: With dead ends: 465 [2024-11-20 04:59:01,506 INFO L226 Difference]: Without dead ends: 307 [2024-11-20 04:59:01,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:59:01,508 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 134 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:01,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 335 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:59:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-20 04:59:01,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 255. [2024-11-20 04:59:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 182 states have (on average 1.3571428571428572) internal successors, (247), 182 states have internal predecessors, (247), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 379 transitions. [2024-11-20 04:59:01,550 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 379 transitions. Word has length 154 [2024-11-20 04:59:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:01,550 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 379 transitions. [2024-11-20 04:59:01,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 379 transitions. [2024-11-20 04:59:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 04:59:01,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:01,556 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:01,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:59:01,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:01,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1681486870, now seen corresponding path program 1 times [2024-11-20 04:59:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:01,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961478735] [2024-11-20 04:59:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961478735] [2024-11-20 04:59:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961478735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:01,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:01,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:59:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767179889] [2024-11-20 04:59:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:01,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 04:59:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:01,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 04:59:01,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:59:01,797 INFO L87 Difference]: Start difference. First operand 255 states and 379 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:02,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:02,155 INFO L93 Difference]: Finished difference Result 584 states and 857 transitions. [2024-11-20 04:59:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:59:02,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 155 [2024-11-20 04:59:02,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:02,160 INFO L225 Difference]: With dead ends: 584 [2024-11-20 04:59:02,161 INFO L226 Difference]: Without dead ends: 392 [2024-11-20 04:59:02,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:59:02,166 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 309 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:02,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 250 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:59:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-20 04:59:02,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 270. [2024-11-20 04:59:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 396 transitions. [2024-11-20 04:59:02,198 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 396 transitions. Word has length 155 [2024-11-20 04:59:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:02,199 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 396 transitions. [2024-11-20 04:59:02,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 396 transitions. [2024-11-20 04:59:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 04:59:02,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:02,200 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:02,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:59:02,200 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:02,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash 660418516, now seen corresponding path program 1 times [2024-11-20 04:59:02,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:02,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907609489] [2024-11-20 04:59:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:02,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:02,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:02,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907609489] [2024-11-20 04:59:02,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907609489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:02,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:02,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:59:02,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008586922] [2024-11-20 04:59:02,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:02,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:59:02,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:02,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:59:02,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:59:02,802 INFO L87 Difference]: Start difference. First operand 270 states and 396 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:02,935 INFO L93 Difference]: Finished difference Result 530 states and 781 transitions. [2024-11-20 04:59:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:59:02,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2024-11-20 04:59:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:02,939 INFO L225 Difference]: With dead ends: 530 [2024-11-20 04:59:02,939 INFO L226 Difference]: Without dead ends: 312 [2024-11-20 04:59:02,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:59:02,941 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 111 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:02,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 225 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:59:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-20 04:59:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 270. [2024-11-20 04:59:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 395 transitions. [2024-11-20 04:59:02,975 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 395 transitions. Word has length 155 [2024-11-20 04:59:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:02,976 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 395 transitions. [2024-11-20 04:59:02,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 395 transitions. [2024-11-20 04:59:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-20 04:59:02,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:02,978 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:02,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 04:59:02,978 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:02,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:02,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2021574575, now seen corresponding path program 1 times [2024-11-20 04:59:02,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:02,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812234018] [2024-11-20 04:59:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:03,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:03,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812234018] [2024-11-20 04:59:03,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812234018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:03,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:03,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:59:03,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632303278] [2024-11-20 04:59:03,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:03,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 04:59:03,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:03,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 04:59:03,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:59:03,443 INFO L87 Difference]: Start difference. First operand 270 states and 395 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:03,751 INFO L93 Difference]: Finished difference Result 575 states and 849 transitions. [2024-11-20 04:59:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:59:03,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2024-11-20 04:59:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:03,754 INFO L225 Difference]: With dead ends: 575 [2024-11-20 04:59:03,754 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 04:59:03,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:59:03,758 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 225 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:03,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 429 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:59:03,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 04:59:03,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 313. [2024-11-20 04:59:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 238 states have (on average 1.365546218487395) internal successors, (325), 238 states have internal predecessors, (325), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 457 transitions. [2024-11-20 04:59:03,789 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 457 transitions. Word has length 157 [2024-11-20 04:59:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:03,790 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 457 transitions. [2024-11-20 04:59:03,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 457 transitions. [2024-11-20 04:59:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-20 04:59:03,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:03,791 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:03,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 04:59:03,792 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:03,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:03,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1605517333, now seen corresponding path program 1 times [2024-11-20 04:59:03,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:03,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491028587] [2024-11-20 04:59:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:03,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491028587] [2024-11-20 04:59:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491028587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:59:03,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657739336] [2024-11-20 04:59:03,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:03,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:59:03,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:03,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:59:03,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:59:03,977 INFO L87 Difference]: Start difference. First operand 313 states and 457 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:04,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:04,189 INFO L93 Difference]: Finished difference Result 843 states and 1236 transitions. [2024-11-20 04:59:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:59:04,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2024-11-20 04:59:04,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:04,192 INFO L225 Difference]: With dead ends: 843 [2024-11-20 04:59:04,193 INFO L226 Difference]: Without dead ends: 636 [2024-11-20 04:59:04,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 04:59:04,194 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 197 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:04,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 561 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:59:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-20 04:59:04,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 349. [2024-11-20 04:59:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 274 states have (on average 1.3795620437956204) internal successors, (378), 274 states have internal predecessors, (378), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 510 transitions. [2024-11-20 04:59:04,228 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 510 transitions. Word has length 157 [2024-11-20 04:59:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:04,229 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 510 transitions. [2024-11-20 04:59:04,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 510 transitions. [2024-11-20 04:59:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-20 04:59:04,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:04,230 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:04,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 04:59:04,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:04,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1858026899, now seen corresponding path program 1 times [2024-11-20 04:59:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:04,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513885282] [2024-11-20 04:59:04,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:10,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:10,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:11,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:11,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513885282] [2024-11-20 04:59:11,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513885282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:11,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:11,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 04:59:11,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413341511] [2024-11-20 04:59:11,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:11,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 04:59:11,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 04:59:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:59:11,198 INFO L87 Difference]: Start difference. First operand 349 states and 510 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 04:59:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:12,733 INFO L93 Difference]: Finished difference Result 686 states and 1005 transitions. [2024-11-20 04:59:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 04:59:12,734 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 157 [2024-11-20 04:59:12,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:12,738 INFO L225 Difference]: With dead ends: 686 [2024-11-20 04:59:12,738 INFO L226 Difference]: Without dead ends: 453 [2024-11-20 04:59:12,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-20 04:59:12,739 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 407 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:12,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 566 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 04:59:12,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-20 04:59:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 353. [2024-11-20 04:59:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 277 states have (on average 1.371841155234657) internal successors, (380), 277 states have internal predecessors, (380), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 512 transitions. [2024-11-20 04:59:12,777 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 512 transitions. Word has length 157 [2024-11-20 04:59:12,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:12,778 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 512 transitions. [2024-11-20 04:59:12,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 04:59:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 512 transitions. [2024-11-20 04:59:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-20 04:59:12,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:12,780 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:12,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 04:59:12,781 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:12,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:12,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1628149587, now seen corresponding path program 1 times [2024-11-20 04:59:12,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:12,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72101639] [2024-11-20 04:59:12,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:12,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:13,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:13,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72101639] [2024-11-20 04:59:13,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72101639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:13,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:13,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 04:59:13,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330224397] [2024-11-20 04:59:13,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:13,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 04:59:13,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:13,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 04:59:13,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 04:59:13,051 INFO L87 Difference]: Start difference. First operand 353 states and 512 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:13,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:13,487 INFO L93 Difference]: Finished difference Result 1206 states and 1768 transitions. [2024-11-20 04:59:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 04:59:13,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2024-11-20 04:59:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:13,491 INFO L225 Difference]: With dead ends: 1206 [2024-11-20 04:59:13,492 INFO L226 Difference]: Without dead ends: 976 [2024-11-20 04:59:13,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-20 04:59:13,493 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 586 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:13,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1317 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:59:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-20 04:59:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 662. [2024-11-20 04:59:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 536 states have (on average 1.4235074626865671) internal successors, (763), 536 states have internal predecessors, (763), 110 states have call successors, (110), 15 states have call predecessors, (110), 15 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-20 04:59:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 983 transitions. [2024-11-20 04:59:13,542 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 983 transitions. Word has length 157 [2024-11-20 04:59:13,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:13,542 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 983 transitions. [2024-11-20 04:59:13,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 04:59:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 983 transitions. [2024-11-20 04:59:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-20 04:59:13,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:13,545 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:13,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 04:59:13,546 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:13,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash -530742196, now seen corresponding path program 1 times [2024-11-20 04:59:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:13,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640546855] [2024-11-20 04:59:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:13,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:13,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640546855] [2024-11-20 04:59:13,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640546855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:13,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:13,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 04:59:13,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968836607] [2024-11-20 04:59:13,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:13,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 04:59:13,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:13,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 04:59:13,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:59:13,772 INFO L87 Difference]: Start difference. First operand 662 states and 983 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:14,192 INFO L93 Difference]: Finished difference Result 930 states and 1375 transitions. [2024-11-20 04:59:14,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 04:59:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2024-11-20 04:59:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:14,195 INFO L225 Difference]: With dead ends: 930 [2024-11-20 04:59:14,195 INFO L226 Difference]: Without dead ends: 372 [2024-11-20 04:59:14,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-20 04:59:14,197 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 331 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:14,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 419 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:59:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-20 04:59:14,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 314. [2024-11-20 04:59:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 238 states have (on average 1.3319327731092436) internal successors, (317), 238 states have internal predecessors, (317), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 449 transitions. [2024-11-20 04:59:14,224 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 449 transitions. Word has length 157 [2024-11-20 04:59:14,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:14,224 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 449 transitions. [2024-11-20 04:59:14,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 04:59:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 449 transitions. [2024-11-20 04:59:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 04:59:14,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:14,226 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:14,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 04:59:14,227 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:14,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash 462281492, now seen corresponding path program 1 times [2024-11-20 04:59:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:14,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079909255] [2024-11-20 04:59:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:14,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:59:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:59:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:59:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:59:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:59:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:59:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:59:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:59:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:59:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:59:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:59:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:59:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:59:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:59:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:59:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:59:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:59:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 04:59:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:59:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:59:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:59:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 04:59:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:59:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 04:59:21,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:59:21,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079909255] [2024-11-20 04:59:21,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079909255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:59:21,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:59:21,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 04:59:21,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321747750] [2024-11-20 04:59:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:59:21,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 04:59:21,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:59:21,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 04:59:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-20 04:59:21,593 INFO L87 Difference]: Start difference. First operand 314 states and 449 transitions. Second operand has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 04:59:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:59:23,387 INFO L93 Difference]: Finished difference Result 594 states and 842 transitions. [2024-11-20 04:59:23,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 04:59:23,389 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 159 [2024-11-20 04:59:23,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:59:23,392 INFO L225 Difference]: With dead ends: 594 [2024-11-20 04:59:23,392 INFO L226 Difference]: Without dead ends: 357 [2024-11-20 04:59:23,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2024-11-20 04:59:23,394 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 313 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 04:59:23,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 728 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 04:59:23,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-20 04:59:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 322. [2024-11-20 04:59:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 246 states have (on average 1.2926829268292683) internal successors, (318), 246 states have internal predecessors, (318), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:59:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 450 transitions. [2024-11-20 04:59:23,421 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 450 transitions. Word has length 159 [2024-11-20 04:59:23,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:59:23,421 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 450 transitions. [2024-11-20 04:59:23,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-20 04:59:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 450 transitions. [2024-11-20 04:59:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 04:59:23,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:59:23,423 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:23,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 04:59:23,423 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:59:23,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:59:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2064340593, now seen corresponding path program 1 times [2024-11-20 04:59:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:59:23,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030451965] [2024-11-20 04:59:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:59:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:59:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat