./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.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 fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:03:09,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:03:09,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:03:09,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:03:09,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:03:09,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:03:09,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:03:09,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:03:09,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:03:09,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:03:09,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:03:09,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:03:09,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:03:09,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:03:09,723 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:03:09,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:03:09,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:03:09,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:03:09,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:03:09,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:03:09,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:03:09,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:03:09,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:03:09,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:03:09,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:03:09,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:03:09,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:03:09,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:03:09,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:03:09,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:03:09,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:03:09,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:03:09,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:03:09,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:03:09,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:03:09,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:03:09,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:03:09,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:03:09,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:03:09,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:03:09,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:03:09,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:03:09,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df [2024-10-13 03:03:09,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:03:09,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:03:09,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:03:09,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:03:09,966 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:03:09,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-10-13 03:03:11,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:03:11,648 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:03:11,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-10-13 03:03:11,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a744e0555/303380aa76f34f88808fe5ab904cf95b/FLAG1b55ccd00 [2024-10-13 03:03:11,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a744e0555/303380aa76f34f88808fe5ab904cf95b [2024-10-13 03:03:11,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:03:11,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:03:11,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:03:11,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:03:11,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:03:11,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:11,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3167a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11, skipping insertion in model container [2024-10-13 03:03:11,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:11,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:03:11,862 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-10-13 03:03:11,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:03:11,931 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:03:11,941 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i[919,932] [2024-10-13 03:03:11,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:03:11,993 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:03:11,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11 WrapperNode [2024-10-13 03:03:11,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:03:11,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:03:11,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:03:11,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:03:12,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,051 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-13 03:03:12,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:03:12,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:03:12,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:03:12,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:03:12,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,093 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 03:03:12,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:03:12,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:03:12,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:03:12,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:03:12,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (1/1) ... [2024-10-13 03:03:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:03:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:03:12,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 03:03:12,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 03:03:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:03:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:03:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:03:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:03:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:03:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:03:12,312 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:03:12,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:03:12,690 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-13 03:03:12,690 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:03:12,734 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:03:12,735 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:03:12,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:03:12 BoogieIcfgContainer [2024-10-13 03:03:12,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:03:12,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:03:12,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:03:12,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:03:12,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:03:11" (1/3) ... [2024-10-13 03:03:12,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463b4840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:03:12, skipping insertion in model container [2024-10-13 03:03:12,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:03:11" (2/3) ... [2024-10-13 03:03:12,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463b4840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:03:12, skipping insertion in model container [2024-10-13 03:03:12,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:03:12" (3/3) ... [2024-10-13 03:03:12,743 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-10-13 03:03:12,760 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:03:12,761 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:03:12,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:03:12,816 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;@5c987099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:03:12,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:03:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.537313432835821) internal successors, (103), 68 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:03:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 03:03:12,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:12,840 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:12,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:12,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:12,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1308473113, now seen corresponding path program 1 times [2024-10-13 03:03:12,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:12,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544600490] [2024-10-13 03:03:12,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:12,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:13,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:13,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544600490] [2024-10-13 03:03:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544600490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:13,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:03:13,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727518014] [2024-10-13 03:03:13,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:13,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:03:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:13,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:03:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:03:13,409 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.537313432835821) internal successors, (103), 68 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 03:03:13,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:13,449 INFO L93 Difference]: Finished difference Result 191 states and 339 transitions. [2024-10-13 03:03:13,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:03:13,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-10-13 03:03:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:13,464 INFO L225 Difference]: With dead ends: 191 [2024-10-13 03:03:13,465 INFO L226 Difference]: Without dead ends: 95 [2024-10-13 03:03:13,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:03:13,472 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:13,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:03:13,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-13 03:03:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-13 03:03:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 66 states have internal predecessors, (98), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:03:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 152 transitions. [2024-10-13 03:03:13,556 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 152 transitions. Word has length 175 [2024-10-13 03:03:13,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:13,556 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 152 transitions. [2024-10-13 03:03:13,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 03:03:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2024-10-13 03:03:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 03:03:13,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:13,594 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:13,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:03:13,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:13,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:13,595 INFO L85 PathProgramCache]: Analyzing trace with hash -2137686061, now seen corresponding path program 1 times [2024-10-13 03:03:13,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:13,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777580651] [2024-10-13 03:03:13,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:13,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:14,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:14,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777580651] [2024-10-13 03:03:14,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777580651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:14,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:14,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:03:14,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41962239] [2024-10-13 03:03:14,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:14,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:03:14,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:03:14,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:14,261 INFO L87 Difference]: Start difference. First operand 95 states and 152 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:14,449 INFO L93 Difference]: Finished difference Result 312 states and 498 transitions. [2024-10-13 03:03:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:03:14,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-10-13 03:03:14,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:14,455 INFO L225 Difference]: With dead ends: 312 [2024-10-13 03:03:14,455 INFO L226 Difference]: Without dead ends: 218 [2024-10-13 03:03:14,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:14,458 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 163 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:14,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 474 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:03:14,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-10-13 03:03:14,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 189. [2024-10-13 03:03:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 132 states have (on average 1.4772727272727273) internal successors, (195), 132 states have internal predecessors, (195), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 03:03:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 303 transitions. [2024-10-13 03:03:14,493 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 303 transitions. Word has length 175 [2024-10-13 03:03:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:14,494 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 303 transitions. [2024-10-13 03:03:14,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 303 transitions. [2024-10-13 03:03:14,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 03:03:14,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:14,496 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:14,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:03:14,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:14,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:14,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1174137144, now seen corresponding path program 1 times [2024-10-13 03:03:14,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:14,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104347404] [2024-10-13 03:03:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:14,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:14,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104347404] [2024-10-13 03:03:14,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104347404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:14,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:14,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:03:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125497206] [2024-10-13 03:03:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:14,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:03:14,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:14,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:03:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:14,962 INFO L87 Difference]: Start difference. First operand 189 states and 303 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:15,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:15,286 INFO L93 Difference]: Finished difference Result 560 states and 896 transitions. [2024-10-13 03:03:15,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:03:15,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-10-13 03:03:15,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:15,290 INFO L225 Difference]: With dead ends: 560 [2024-10-13 03:03:15,290 INFO L226 Difference]: Without dead ends: 372 [2024-10-13 03:03:15,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:03:15,292 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 233 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:15,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 471 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:03:15,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-13 03:03:15,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 193. [2024-10-13 03:03:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 136 states have (on average 1.463235294117647) internal successors, (199), 136 states have internal predecessors, (199), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 03:03:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 307 transitions. [2024-10-13 03:03:15,319 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 307 transitions. Word has length 176 [2024-10-13 03:03:15,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:15,320 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 307 transitions. [2024-10-13 03:03:15,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 307 transitions. [2024-10-13 03:03:15,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 03:03:15,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:15,322 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:15,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:03:15,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:15,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:15,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1188549894, now seen corresponding path program 1 times [2024-10-13 03:03:15,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:15,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025581866] [2024-10-13 03:03:15,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:16,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:16,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025581866] [2024-10-13 03:03:16,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025581866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:16,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 03:03:16,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202569232] [2024-10-13 03:03:16,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:16,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 03:03:16,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:16,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 03:03:16,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:03:16,727 INFO L87 Difference]: Start difference. First operand 193 states and 307 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:17,364 INFO L93 Difference]: Finished difference Result 573 states and 900 transitions. [2024-10-13 03:03:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:03:17,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-13 03:03:17,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:17,368 INFO L225 Difference]: With dead ends: 573 [2024-10-13 03:03:17,372 INFO L226 Difference]: Without dead ends: 381 [2024-10-13 03:03:17,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:03:17,378 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 214 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:17,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 484 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:03:17,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-13 03:03:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 271. [2024-10-13 03:03:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 186 states have internal predecessors, (270), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 432 transitions. [2024-10-13 03:03:17,433 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 432 transitions. Word has length 177 [2024-10-13 03:03:17,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:17,435 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 432 transitions. [2024-10-13 03:03:17,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 432 transitions. [2024-10-13 03:03:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 03:03:17,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:17,440 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:17,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:03:17,440 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:17,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:17,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1484821451, now seen corresponding path program 1 times [2024-10-13 03:03:17,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:17,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701307699] [2024-10-13 03:03:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:27,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:27,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701307699] [2024-10-13 03:03:27,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701307699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:27,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:27,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 03:03:27,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855445754] [2024-10-13 03:03:27,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:27,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 03:03:27,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:27,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 03:03:27,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-13 03:03:27,405 INFO L87 Difference]: Start difference. First operand 271 states and 432 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:33,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:33,948 INFO L93 Difference]: Finished difference Result 695 states and 1069 transitions. [2024-10-13 03:03:33,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 03:03:33,949 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-13 03:03:33,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:33,952 INFO L225 Difference]: With dead ends: 695 [2024-10-13 03:03:33,952 INFO L226 Difference]: Without dead ends: 486 [2024-10-13 03:03:33,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2024-10-13 03:03:33,958 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 513 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:33,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 748 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-13 03:03:33,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-13 03:03:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 344. [2024-10-13 03:03:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 259 states have (on average 1.4478764478764479) internal successors, (375), 259 states have internal predecessors, (375), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 537 transitions. [2024-10-13 03:03:33,991 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 537 transitions. Word has length 177 [2024-10-13 03:03:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:33,992 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 537 transitions. [2024-10-13 03:03:33,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 537 transitions. [2024-10-13 03:03:33,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 03:03:33,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:33,995 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:33,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:03:33,996 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:33,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1542079753, now seen corresponding path program 1 times [2024-10-13 03:03:33,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:33,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881461190] [2024-10-13 03:03:33,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:33,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:36,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:36,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881461190] [2024-10-13 03:03:36,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881461190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:36,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:36,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:03:36,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436522594] [2024-10-13 03:03:36,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:36,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:03:36,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:36,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:03:36,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:03:36,011 INFO L87 Difference]: Start difference. First operand 344 states and 537 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:37,216 INFO L93 Difference]: Finished difference Result 757 states and 1173 transitions. [2024-10-13 03:03:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:03:37,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-13 03:03:37,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:37,219 INFO L225 Difference]: With dead ends: 757 [2024-10-13 03:03:37,219 INFO L226 Difference]: Without dead ends: 549 [2024-10-13 03:03:37,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-10-13 03:03:37,220 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 365 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:37,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 518 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:03:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-10-13 03:03:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 389. [2024-10-13 03:03:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 304 states have (on average 1.4342105263157894) internal successors, (436), 304 states have internal predecessors, (436), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 598 transitions. [2024-10-13 03:03:37,244 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 598 transitions. Word has length 177 [2024-10-13 03:03:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:37,245 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 598 transitions. [2024-10-13 03:03:37,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 598 transitions. [2024-10-13 03:03:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 03:03:37,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:37,247 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:37,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:03:37,247 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:37,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:37,247 INFO L85 PathProgramCache]: Analyzing trace with hash 675474825, now seen corresponding path program 1 times [2024-10-13 03:03:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:37,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67273420] [2024-10-13 03:03:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:41,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:41,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67273420] [2024-10-13 03:03:41,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67273420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:41,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:41,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 03:03:41,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915986921] [2024-10-13 03:03:41,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:41,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 03:03:41,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 03:03:41,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:03:41,707 INFO L87 Difference]: Start difference. First operand 389 states and 598 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:43,250 INFO L93 Difference]: Finished difference Result 729 states and 1115 transitions. [2024-10-13 03:03:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:03:43,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-13 03:03:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:43,253 INFO L225 Difference]: With dead ends: 729 [2024-10-13 03:03:43,253 INFO L226 Difference]: Without dead ends: 519 [2024-10-13 03:03:43,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:03:43,254 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 314 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:43,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 632 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 03:03:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-13 03:03:43,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 409. [2024-10-13 03:03:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 324 states have (on average 1.4444444444444444) internal successors, (468), 324 states have internal predecessors, (468), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 630 transitions. [2024-10-13 03:03:43,281 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 630 transitions. Word has length 177 [2024-10-13 03:03:43,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:43,281 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 630 transitions. [2024-10-13 03:03:43,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 630 transitions. [2024-10-13 03:03:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 03:03:43,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:43,284 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:43,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:03:43,285 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:43,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:43,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1775355908, now seen corresponding path program 1 times [2024-10-13 03:03:43,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:43,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610611426] [2024-10-13 03:03:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:43,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:43,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610611426] [2024-10-13 03:03:43,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610611426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:43,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:43,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:03:43,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399213611] [2024-10-13 03:03:43,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:43,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:03:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:43,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:03:43,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:43,669 INFO L87 Difference]: Start difference. First operand 409 states and 630 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:43,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:43,883 INFO L93 Difference]: Finished difference Result 659 states and 1019 transitions. [2024-10-13 03:03:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:03:43,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-10-13 03:03:43,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:43,886 INFO L225 Difference]: With dead ends: 659 [2024-10-13 03:03:43,886 INFO L226 Difference]: Without dead ends: 407 [2024-10-13 03:03:43,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:43,888 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 116 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:43,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 366 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:03:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-13 03:03:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 381. [2024-10-13 03:03:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 296 states have (on average 1.412162162162162) internal successors, (418), 296 states have internal predecessors, (418), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 580 transitions. [2024-10-13 03:03:43,914 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 580 transitions. Word has length 177 [2024-10-13 03:03:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:43,915 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 580 transitions. [2024-10-13 03:03:43,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 580 transitions. [2024-10-13 03:03:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 03:03:43,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:43,917 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:43,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:03:43,917 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:43,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:43,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1668357219, now seen corresponding path program 1 times [2024-10-13 03:03:43,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:43,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051075119] [2024-10-13 03:03:43,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:46,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:46,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051075119] [2024-10-13 03:03:46,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051075119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:46,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:46,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:03:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379303660] [2024-10-13 03:03:46,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:46,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:03:46,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:03:46,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:03:46,119 INFO L87 Difference]: Start difference. First operand 381 states and 580 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:47,366 INFO L93 Difference]: Finished difference Result 751 states and 1131 transitions. [2024-10-13 03:03:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 03:03:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-10-13 03:03:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:47,369 INFO L225 Difference]: With dead ends: 751 [2024-10-13 03:03:47,369 INFO L226 Difference]: Without dead ends: 559 [2024-10-13 03:03:47,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:03:47,371 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 422 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:47,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 651 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 03:03:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-13 03:03:47,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 409. [2024-10-13 03:03:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 322 states have (on average 1.391304347826087) internal successors, (448), 322 states have internal predecessors, (448), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 610 transitions. [2024-10-13 03:03:47,399 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 610 transitions. Word has length 178 [2024-10-13 03:03:47,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:47,400 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 610 transitions. [2024-10-13 03:03:47,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 610 transitions. [2024-10-13 03:03:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 03:03:47,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:47,401 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:47,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:03:47,401 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:47,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash 135697459, now seen corresponding path program 1 times [2024-10-13 03:03:47,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:47,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095714959] [2024-10-13 03:03:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:47,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:03:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:03:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:03:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:03:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:03:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:03:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:03:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:03:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:03:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:03:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:03:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:03:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:03:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:03:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:03:50,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:50,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095714959] [2024-10-13 03:03:50,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095714959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:50,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:50,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:03:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108019385] [2024-10-13 03:03:50,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:50,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:03:50,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:50,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:03:50,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:03:50,146 INFO L87 Difference]: Start difference. First operand 409 states and 610 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:52,796 INFO L93 Difference]: Finished difference Result 952 states and 1410 transitions. [2024-10-13 03:03:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 03:03:52,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-10-13 03:03:52,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:52,800 INFO L225 Difference]: With dead ends: 952 [2024-10-13 03:03:52,800 INFO L226 Difference]: Without dead ends: 694 [2024-10-13 03:03:52,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2024-10-13 03:03:52,801 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 309 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:52,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 573 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:03:52,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-10-13 03:03:52,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 510. [2024-10-13 03:03:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 423 states have (on average 1.4113475177304964) internal successors, (597), 423 states have internal predecessors, (597), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:03:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 759 transitions. [2024-10-13 03:03:52,832 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 759 transitions. Word has length 178 [2024-10-13 03:03:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:52,833 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 759 transitions. [2024-10-13 03:03:52,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:03:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 759 transitions. [2024-10-13 03:03:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 03:03:52,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:52,836 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:52,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:03:52,836 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:52,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash -673649167, now seen corresponding path program 1 times [2024-10-13 03:03:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430093935] [2024-10-13 03:03:52,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:04:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:04:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:04:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:04:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:04:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:04:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:04:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:04:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:04:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:04:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:04:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:04:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:04:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:04:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:04:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:04:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:04:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:04:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:04:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:04:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:04:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:04:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:04:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:04:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:04:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:04:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:04:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:04:00,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:04:00,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430093935] [2024-10-13 03:04:00,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430093935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:04:00,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:04:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 03:04:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964458904] [2024-10-13 03:04:00,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:04:00,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 03:04:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:04:00,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 03:04:00,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-13 03:04:00,465 INFO L87 Difference]: Start difference. First operand 510 states and 759 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:04:01,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:04:01,988 INFO L93 Difference]: Finished difference Result 945 states and 1384 transitions. [2024-10-13 03:04:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 03:04:01,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178 [2024-10-13 03:04:01,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:04:01,992 INFO L225 Difference]: With dead ends: 945 [2024-10-13 03:04:01,993 INFO L226 Difference]: Without dead ends: 616 [2024-10-13 03:04:01,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-10-13 03:04:01,994 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 230 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:04:01,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 786 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 03:04:01,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-13 03:04:02,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 510. [2024-10-13 03:04:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 423 states have (on average 1.408983451536643) internal successors, (596), 423 states have internal predecessors, (596), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:04:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 758 transitions. [2024-10-13 03:04:02,027 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 758 transitions. Word has length 178 [2024-10-13 03:04:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:04:02,028 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 758 transitions. [2024-10-13 03:04:02,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:04:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 758 transitions. [2024-10-13 03:04:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 03:04:02,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:04:02,030 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:04:02,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:04:02,030 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:04:02,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:04:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash -374225408, now seen corresponding path program 1 times [2024-10-13 03:04:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:04:02,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835190318] [2024-10-13 03:04:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:04:02,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:04:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:04:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:04:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:04:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:04:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:04:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:04:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:04:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:04:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:04:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:04:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:04:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:04:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:04:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:04:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:04:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:04:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:04:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:04:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:04:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:04:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:04:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:04:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:04:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:04:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:04:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:04:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:04:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:04:24,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:04:24,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835190318] [2024-10-13 03:04:24,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835190318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:04:24,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:04:24,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 03:04:24,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806949130] [2024-10-13 03:04:24,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:04:24,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 03:04:24,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:04:24,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 03:04:24,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:04:24,189 INFO L87 Difference]: Start difference. First operand 510 states and 758 transitions. Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 03:04:26,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:04:26,393 INFO L93 Difference]: Finished difference Result 876 states and 1289 transitions. [2024-10-13 03:04:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 03:04:26,394 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 179 [2024-10-13 03:04:26,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:04:26,397 INFO L225 Difference]: With dead ends: 876 [2024-10-13 03:04:26,397 INFO L226 Difference]: Without dead ends: 598 [2024-10-13 03:04:26,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2024-10-13 03:04:26,398 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 280 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:04:26,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 892 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 03:04:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-13 03:04:26,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 500. [2024-10-13 03:04:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 413 states have (on average 1.414043583535109) internal successors, (584), 413 states have internal predecessors, (584), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:04:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 746 transitions. [2024-10-13 03:04:26,427 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 746 transitions. Word has length 179 [2024-10-13 03:04:26,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:04:26,427 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 746 transitions. [2024-10-13 03:04:26,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 03:04:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 746 transitions. [2024-10-13 03:04:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 03:04:26,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:04:26,429 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:04:26,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 03:04:26,429 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:04:26,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:04:26,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1270888946, now seen corresponding path program 1 times [2024-10-13 03:04:26,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:04:26,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47860331] [2024-10-13 03:04:26,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:04:26,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:04:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:04:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:04:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:04:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:04:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:04:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:04:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:04:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:04:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:04:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:04:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:04:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:04:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:04:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:04:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:04:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:04:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:04:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:04:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:04:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:04:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:04:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:04:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:04:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:04:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:04:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:04:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:04:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:04:28,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:04:28,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47860331] [2024-10-13 03:04:28,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47860331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:04:28,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:04:28,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 03:04:28,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125211069] [2024-10-13 03:04:28,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:04:28,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 03:04:28,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:04:28,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 03:04:28,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:04:28,867 INFO L87 Difference]: Start difference. First operand 500 states and 746 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:04:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:04:30,499 INFO L93 Difference]: Finished difference Result 1060 states and 1567 transitions. [2024-10-13 03:04:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 03:04:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-10-13 03:04:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:04:30,503 INFO L225 Difference]: With dead ends: 1060 [2024-10-13 03:04:30,503 INFO L226 Difference]: Without dead ends: 782 [2024-10-13 03:04:30,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2024-10-13 03:04:30,504 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 437 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:04:30,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 466 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:04:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-10-13 03:04:30,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 516. [2024-10-13 03:04:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 429 states have (on average 1.407925407925408) internal successors, (604), 429 states have internal predecessors, (604), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 03:04:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 766 transitions. [2024-10-13 03:04:30,538 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 766 transitions. Word has length 179 [2024-10-13 03:04:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:04:30,538 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 766 transitions. [2024-10-13 03:04:30,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 03:04:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 766 transitions. [2024-10-13 03:04:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 03:04:30,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:04:30,539 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:04:30,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 03:04:30,539 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:04:30,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:04:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1213630644, now seen corresponding path program 1 times [2024-10-13 03:04:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:04:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539972142] [2024-10-13 03:04:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:04:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:04:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:04:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:04:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:04:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:04:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:04:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:04:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:04:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:04:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:04:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:04:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:04:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:04:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:04:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:04:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:04:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:04:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:04:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:04:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:04:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:04:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:04:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:04:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:04:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:04:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:04:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:04:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:04:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:04:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 03:04:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:04:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539972142] [2024-10-13 03:04:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539972142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:04:33,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:04:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:04:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280254360] [2024-10-13 03:04:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:04:33,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:04:33,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:04:33,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:04:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:04:33,634 INFO L87 Difference]: Start difference. First operand 516 states and 766 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)